18499999952

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 320

約数和(自身を含む): 47311257600

約数和(自身を除く): 28811257648

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 31, 38, 46, 56, 62, 76, 89, 92, 112, 124, 133, 137, 152, 161, 178, 184, 217, 248, 266, 274, 304, 322, 356, 368, 434, 437, 496, 532, 548, 589, 623, 644, 712, 713, 868, 874, 959, 1064, 1096, 1178, 1246, 1288, 1424, 1426, 1691, 1736, 1748, 1918, 2047, 2128, 2192, 2356, 2492, 2576, 2603, 2759, 2852, 3059, 3151, 3382, 3472, 3496, 3836, 4094, 4123, 4247, 4712, 4984, 4991, 5206, 5518, 5704, 6118, 6302, 6764, 6992, 7672, 8188, 8246, 8494, 9424, 9968, 9982, 10412, 11036, 11408, 11837, 12193, 12236, 12604, 13528, 13547, 14329, 15344, 16376, 16492, 16988, 18221, 19313, 19964, 20824, 22057, 22072, 23674, 24386, 24472, 25208, 27056, 27094, 28658, 29729, 32752, 32984, 33976, 36442, 38626, 38893, 39928, 41648, 44114, 44144, 47348, 48772, 48944, 50416, 52421, 54188, 57316, 59458, 59869, 63457, 65968, 67952, 72884, 77252, 77786, 79856, 80693, 85351, 88228, 94696, 94829, 97544, 97681, 104842, 108376, 114632, 118916, 119738, 126914, 145768, 154504, 155572, 161386, 170702, 176456, 189392, 189658, 195088, 195362, 209684, 216752, 229264, 231667, 237832, 239476, 253828, 272251, 280439, 291536, 309008, 311144, 322772, 341404, 352912, 366947, 377983, 379316, 390724, 419083, 419368, 444199, 463334, 475664, 478952, 507656, 544502, 560878, 564851, 622288, 645544, 682808, 683767, 733894, 755966, 758632, 781448, 838166, 838736, 888398, 926668, 957904, 1015312, 1089004, 1121756, 1129702, 1205683, 1291088, 1365616, 1367534, 1467788, 1511932, 1517264, 1562896, 1621669, 1676332, 1776796, 1853336, 1855939, 1963073, 2178008, 2243512, 2259404, 2411366, 2645881, 2735068, 2935576, 3023864, 3243338, 3352664, 3553592, 3706672, 3711878, 3926146, 4356016, 4487024, 4518808, 4822732, 5291762, 5328341, 5470136, 5871152, 6047728, 6486676, 6705328, 7107184, 7181677, 7423756, 7852292, 8439781, 8693609, 9037616, 9645464, 10583524, 10656682, 10940272, 12973352, 12991573, 14363354, 14847512, 15704584, 16879562, 17387218, 19290928, 21167048, 21313364, 25946704, 25983146, 28726708, 29695024, 31409168, 33759124, 34774436, 37298387, 42334096, 42626728, 50271739, 51966292, 57453416, 60855263, 67518248, 69548872, 74596774, 85253456, 100543478, 103932584, 114906832, 121710526, 135036496, 139097744, 149193548, 165178571, 201086956, 207865168, 243421052, 298387096, 330357142, 402173912, 486842104, 596774192, 660714284, 804347824, 973684208, 1156249997, 1321428568, 2312499994, 2642857136, 4624999988, 9249999976, 18499999952]

約数ペア:

[(1, 18499999952), (2, 9249999976), (4, 4624999988), (7, 2642857136), (8, 2312499994), (14, 1321428568), (16, 1156249997), (19, 973684208), (23, 804347824), (28, 660714284), (31, 596774192), (38, 486842104), (46, 402173912), (56, 330357142), (62, 298387096), (76, 243421052), (89, 207865168), (92, 201086956), (112, 165178571), (124, 149193548), (133, 139097744), (137, 135036496), (152, 121710526), (161, 114906832), (178, 103932584), (184, 100543478), (217, 85253456), (248, 74596774), (266, 69548872), (274, 67518248), (304, 60855263), (322, 57453416), (356, 51966292), (368, 50271739), (434, 42626728), (437, 42334096), (496, 37298387), (532, 34774436), (548, 33759124), (589, 31409168), (623, 29695024), (644, 28726708), (712, 25983146), (713, 25946704), (868, 21313364), (874, 21167048), (959, 19290928), (1064, 17387218), (1096, 16879562), (1178, 15704584), (1246, 14847512), (1288, 14363354), (1424, 12991573), (1426, 12973352), (1691, 10940272), (1736, 10656682), (1748, 10583524), (1918, 9645464), (2047, 9037616), (2128, 8693609), (2192, 8439781), (2356, 7852292), (2492, 7423756), (2576, 7181677), (2603, 7107184), (2759, 6705328), (2852, 6486676), (3059, 6047728), (3151, 5871152), (3382, 5470136), (3472, 5328341), (3496, 5291762), (3836, 4822732), (4094, 4518808), (4123, 4487024), (4247, 4356016), (4712, 3926146), (4984, 3711878), (4991, 3706672), (5206, 3553592), (5518, 3352664), (5704, 3243338), (6118, 3023864), (6302, 2935576), (6764, 2735068), (6992, 2645881), (7672, 2411366), (8188, 2259404), (8246, 2243512), (8494, 2178008), (9424, 1963073), (9968, 1855939), (9982, 1853336), (10412, 1776796), (11036, 1676332), (11408, 1621669), (11837, 1562896), (12193, 1517264), (12236, 1511932), (12604, 1467788), (13528, 1367534), (13547, 1365616), (14329, 1291088), (15344, 1205683), (16376, 1129702), (16492, 1121756), (16988, 1089004), (18221, 1015312), (19313, 957904), (19964, 926668), (20824, 888398), (22057, 838736), (22072, 838166), (23674, 781448), (24386, 758632), (24472, 755966), (25208, 733894), (27056, 683767), (27094, 682808), (28658, 645544), (29729, 622288), (32752, 564851), (32984, 560878), (33976, 544502), (36442, 507656), (38626, 478952), (38893, 475664), (39928, 463334), (41648, 444199), (44114, 419368), (44144, 419083), (47348, 390724), (48772, 379316), (48944, 377983), (50416, 366947), (52421, 352912), (54188, 341404), (57316, 322772), (59458, 311144), (59869, 309008), (63457, 291536), (65968, 280439), (67952, 272251), (72884, 253828), (77252, 239476), (77786, 237832), (79856, 231667), (80693, 229264), (85351, 216752), (88228, 209684), (94696, 195362), (94829, 195088), (97544, 189658), (97681, 189392), (104842, 176456), (108376, 170702), (114632, 161386), (118916, 155572), (119738, 154504), (126914, 145768)]