20180449936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1929

約数の個数: 160

約数和(自身を含む): 45047116800

約数和(自身を除く): 24866666864

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 38, 41, 58, 62, 76, 82, 116, 124, 152, 164, 232, 248, 304, 328, 464, 496, 551, 589, 656, 779, 899, 1102, 1178, 1189, 1271, 1558, 1798, 1801, 2204, 2356, 2378, 2542, 3116, 3596, 3602, 4408, 4712, 4756, 5084, 6232, 7192, 7204, 8816, 9424, 9512, 10168, 12464, 14384, 14408, 17081, 19024, 20336, 22591, 24149, 28816, 34162, 34219, 36859, 45182, 48298, 52229, 55831, 68324, 68438, 73718, 73841, 90364, 96596, 104458, 111662, 136648, 136876, 147436, 147682, 180728, 193192, 208916, 223324, 273296, 273752, 294872, 295364, 361456, 386384, 417832, 446648, 547504, 589744, 590728, 700321, 835664, 893296, 992351, 1060789, 1181456, 1400642, 1402979, 1619099, 1984702, 2121578, 2141389, 2289071, 2801284, 2805958, 3238198, 3969404, 4243156, 4282778, 4578142, 5602568, 5611916, 6476396, 7938808, 8486312, 8565556, 9156284, 11205136, 11223832, 12952792, 15877616, 16972624, 17131112, 18312568, 22447664, 25905584, 30762881, 34262224, 36625136, 40686391, 43492349, 61525762, 66383059, 81372782, 86984698, 123051524, 132766118, 162745564, 173969396, 246103048, 265532236, 325491128, 347938792, 492206096, 531064472, 650982256, 695877584, 1062128944, 1261278121, 2522556242, 5045112484, 10090224968, 20180449936]

約数ペア:

[(1, 20180449936), (2, 10090224968), (4, 5045112484), (8, 2522556242), (16, 1261278121), (19, 1062128944), (29, 695877584), (31, 650982256), (38, 531064472), (41, 492206096), (58, 347938792), (62, 325491128), (76, 265532236), (82, 246103048), (116, 173969396), (124, 162745564), (152, 132766118), (164, 123051524), (232, 86984698), (248, 81372782), (304, 66383059), (328, 61525762), (464, 43492349), (496, 40686391), (551, 36625136), (589, 34262224), (656, 30762881), (779, 25905584), (899, 22447664), (1102, 18312568), (1178, 17131112), (1189, 16972624), (1271, 15877616), (1558, 12952792), (1798, 11223832), (1801, 11205136), (2204, 9156284), (2356, 8565556), (2378, 8486312), (2542, 7938808), (3116, 6476396), (3596, 5611916), (3602, 5602568), (4408, 4578142), (4712, 4282778), (4756, 4243156), (5084, 3969404), (6232, 3238198), (7192, 2805958), (7204, 2801284), (8816, 2289071), (9424, 2141389), (9512, 2121578), (10168, 1984702), (12464, 1619099), (14384, 1402979), (14408, 1400642), (17081, 1181456), (19024, 1060789), (20336, 992351), (22591, 893296), (24149, 835664), (28816, 700321), (34162, 590728), (34219, 589744), (36859, 547504), (45182, 446648), (48298, 417832), (52229, 386384), (55831, 361456), (68324, 295364), (68438, 294872), (73718, 273752), (73841, 273296), (90364, 223324), (96596, 208916), (104458, 193192), (111662, 180728), (136648, 147682), (136876, 147436)]