18276680

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{877}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 41248440

約数和(自身を除く): 22971760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 877, 1042, 1754, 2084, 2605, 3508, 4168, 4385, 5210, 7016, 8770, 10420, 17540, 20840, 35080, 456917, 913834, 1827668, 2284585, 3655336, 4569170, 9138340, 18276680]

約数ペア:

[(1, 18276680), (2, 9138340), (4, 4569170), (5, 3655336), (8, 2284585), (10, 1827668), (20, 913834), (40, 456917), (521, 35080), (877, 20840), (1042, 17540), (1754, 10420), (2084, 8770), (2605, 7016), (3508, 5210), (4168, 4385)]