9920921478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^2\times {\mathrm{631}}^1$

素因数の和:874

約数の個数: 96

約数和(自身を含む): 22749269760

約数和(自身を除く): 12828348282

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 103, 114, 206, 247, 309, 494, 618, 631, 741, 1262, 1339, 1482, 1893, 1957, 2678, 3786, 3914, 4017, 5871, 8034, 8203, 10609, 11742, 11989, 16406, 21218, 23978, 24609, 25441, 31827, 35967, 49218, 50882, 63654, 64993, 71934, 76323, 129986, 137917, 152646, 155857, 194979, 201571, 275834, 311714, 389958, 403142, 413751, 467571, 604713, 827502, 844909, 935142, 1209426, 1234867, 1689818, 2469734, 2534727, 2620423, 3704601, 5069454, 5240846, 6694279, 7409202, 7861269, 13388558, 15722538, 16053271, 20082837, 32106542, 40165674, 48159813, 87025627, 96319626, 127191301, 174051254, 254382602, 261076881, 381573903, 522153762, 763147806, 1653486913, 3306973826, 4960460739, 9920921478]

約数ペア:

[(1, 9920921478), (2, 4960460739), (3, 3306973826), (6, 1653486913), (13, 763147806), (19, 522153762), (26, 381573903), (38, 261076881), (39, 254382602), (57, 174051254), (78, 127191301), (103, 96319626), (114, 87025627), (206, 48159813), (247, 40165674), (309, 32106542), (494, 20082837), (618, 16053271), (631, 15722538), (741, 13388558), (1262, 7861269), (1339, 7409202), (1482, 6694279), (1893, 5240846), (1957, 5069454), (2678, 3704601), (3786, 2620423), (3914, 2534727), (4017, 2469734), (5871, 1689818), (8034, 1234867), (8203, 1209426), (10609, 935142), (11742, 844909), (11989, 827502), (16406, 604713), (21218, 467571), (23978, 413751), (24609, 403142), (25441, 389958), (31827, 311714), (35967, 275834), (49218, 201571), (50882, 194979), (63654, 155857), (64993, 152646), (71934, 137917), (76323, 129986)]