18868380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2939}}^1$

素因数の和:3058

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 34474980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 2939, 3210, 5878, 6420, 8817, 11756, 14695, 17634, 29390, 35268, 44085, 58780, 88170, 176340, 314473, 628946, 943419, 1257892, 1572365, 1886838, 3144730, 3773676, 4717095, 6289460, 9434190, 18868380]

約数ペア:

[(1, 18868380), (2, 9434190), (3, 6289460), (4, 4717095), (5, 3773676), (6, 3144730), (10, 1886838), (12, 1572365), (15, 1257892), (20, 943419), (30, 628946), (60, 314473), (107, 176340), (214, 88170), (321, 58780), (428, 44085), (535, 35268), (642, 29390), (1070, 17634), (1284, 14695), (1605, 11756), (2140, 8817), (2939, 6420), (3210, 5878)]