19477920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 384

約数和(自身を含む): 83607552

約数和(自身を除く): 64129632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 24, 28, 30, 31, 32, 33, 34, 35, 40, 42, 44, 48, 51, 55, 56, 60, 62, 66, 68, 70, 77, 80, 84, 85, 88, 93, 96, 102, 105, 110, 112, 119, 120, 124, 132, 136, 140, 154, 155, 160, 165, 168, 170, 176, 186, 187, 204, 210, 217, 220, 224, 231, 238, 240, 248, 255, 264, 272, 280, 308, 310, 330, 336, 340, 341, 352, 357, 372, 374, 385, 408, 420, 434, 440, 462, 465, 476, 480, 496, 510, 527, 528, 544, 560, 561, 595, 616, 620, 651, 660, 672, 680, 682, 714, 744, 748, 770, 816, 840, 868, 880, 924, 930, 935, 952, 992, 1020, 1023, 1054, 1056, 1085, 1120, 1122, 1155, 1190, 1232, 1240, 1302, 1309, 1320, 1360, 1364, 1428, 1488, 1496, 1540, 1581, 1632, 1680, 1705, 1736, 1760, 1785, 1848, 1860, 1870, 1904, 2040, 2046, 2108, 2170, 2244, 2310, 2380, 2387, 2464, 2480, 2604, 2618, 2635, 2640, 2720, 2728, 2805, 2856, 2976, 2992, 3080, 3162, 3255, 3360, 3410, 3472, 3570, 3689, 3696, 3720, 3740, 3808, 3927, 4080, 4092, 4216, 4340, 4488, 4620, 4760, 4774, 4960, 5115, 5208, 5236, 5270, 5280, 5456, 5610, 5712, 5797, 5984, 6160, 6324, 6510, 6545, 6820, 6944, 7140, 7161, 7378, 7392, 7440, 7480, 7854, 7905, 8160, 8184, 8432, 8680, 8976, 9240, 9520, 9548, 10230, 10416, 10472, 10540, 10912, 11067, 11220, 11424, 11594, 11935, 12320, 12648, 13020, 13090, 13640, 14280, 14322, 14756, 14880, 14960, 15708, 15810, 16368, 16864, 17360, 17391, 17952, 18445, 18480, 19040, 19096, 19635, 20460, 20832, 20944, 21080, 22134, 22440, 23188, 23870, 25296, 26040, 26180, 27280, 28560, 28644, 28985, 29512, 29920, 31416, 31620, 32736, 34720, 34782, 35805, 36890, 36960, 38192, 39270, 40579, 40920, 41888, 42160, 44268, 44880, 46376, 47740, 50592, 52080, 52360, 54560, 55335, 57120, 57288, 57970, 59024, 62832, 63240, 69564, 71610, 73780, 76384, 78540, 81158, 81840, 84320, 86955, 88536, 89760, 92752, 95480, 104160, 104720, 110670, 114576, 115940, 118048, 121737, 125664, 126480, 139128, 143220, 147560, 157080, 162316, 163680, 173910, 177072, 185504, 190960, 202895, 209440, 221340, 229152, 231880, 243474, 252960, 278256, 286440, 295120, 314160, 324632, 347820, 354144, 381920, 405790, 442680, 463760, 486948, 556512, 572880, 590240, 608685, 628320, 649264, 695640, 811580, 885360, 927520, 973896, 1145760, 1217370, 1298528, 1391280, 1623160, 1770720, 1947792, 2434740, 2782560, 3246320, 3895584, 4869480, 6492640, 9738960, 19477920]

約数ペア:

[(1, 19477920), (2, 9738960), (3, 6492640), (4, 4869480), (5, 3895584), (6, 3246320), (7, 2782560), (8, 2434740), (10, 1947792), (11, 1770720), (12, 1623160), (14, 1391280), (15, 1298528), (16, 1217370), (17, 1145760), (20, 973896), (21, 927520), (22, 885360), (24, 811580), (28, 695640), (30, 649264), (31, 628320), (32, 608685), (33, 590240), (34, 572880), (35, 556512), (40, 486948), (42, 463760), (44, 442680), (48, 405790), (51, 381920), (55, 354144), (56, 347820), (60, 324632), (62, 314160), (66, 295120), (68, 286440), (70, 278256), (77, 252960), (80, 243474), (84, 231880), (85, 229152), (88, 221340), (93, 209440), (96, 202895), (102, 190960), (105, 185504), (110, 177072), (112, 173910), (119, 163680), (120, 162316), (124, 157080), (132, 147560), (136, 143220), (140, 139128), (154, 126480), (155, 125664), (160, 121737), (165, 118048), (168, 115940), (170, 114576), (176, 110670), (186, 104720), (187, 104160), (204, 95480), (210, 92752), (217, 89760), (220, 88536), (224, 86955), (231, 84320), (238, 81840), (240, 81158), (248, 78540), (255, 76384), (264, 73780), (272, 71610), (280, 69564), (308, 63240), (310, 62832), (330, 59024), (336, 57970), (340, 57288), (341, 57120), (352, 55335), (357, 54560), (372, 52360), (374, 52080), (385, 50592), (408, 47740), (420, 46376), (434, 44880), (440, 44268), (462, 42160), (465, 41888), (476, 40920), (480, 40579), (496, 39270), (510, 38192), (527, 36960), (528, 36890), (544, 35805), (560, 34782), (561, 34720), (595, 32736), (616, 31620), (620, 31416), (651, 29920), (660, 29512), (672, 28985), (680, 28644), (682, 28560), (714, 27280), (744, 26180), (748, 26040), (770, 25296), (816, 23870), (840, 23188), (868, 22440), (880, 22134), (924, 21080), (930, 20944), (935, 20832), (952, 20460), (992, 19635), (1020, 19096), (1023, 19040), (1054, 18480), (1056, 18445), (1085, 17952), (1120, 17391), (1122, 17360), (1155, 16864), (1190, 16368), (1232, 15810), (1240, 15708), (1302, 14960), (1309, 14880), (1320, 14756), (1360, 14322), (1364, 14280), (1428, 13640), (1488, 13090), (1496, 13020), (1540, 12648), (1581, 12320), (1632, 11935), (1680, 11594), (1705, 11424), (1736, 11220), (1760, 11067), (1785, 10912), (1848, 10540), (1860, 10472), (1870, 10416), (1904, 10230), (2040, 9548), (2046, 9520), (2108, 9240), (2170, 8976), (2244, 8680), (2310, 8432), (2380, 8184), (2387, 8160), (2464, 7905), (2480, 7854), (2604, 7480), (2618, 7440), (2635, 7392), (2640, 7378), (2720, 7161), (2728, 7140), (2805, 6944), (2856, 6820), (2976, 6545), (2992, 6510), (3080, 6324), (3162, 6160), (3255, 5984), (3360, 5797), (3410, 5712), (3472, 5610), (3570, 5456), (3689, 5280), (3696, 5270), (3720, 5236), (3740, 5208), (3808, 5115), (3927, 4960), (4080, 4774), (4092, 4760), (4216, 4620), (4340, 4488)]