18515330

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 15768190

約数列:

[1, 2, 5, 10, 61, 122, 127, 239, 254, 305, 478, 610, 635, 1195, 1270, 2390, 7747, 14579, 15494, 29158, 30353, 38735, 60706, 72895, 77470, 145790, 151765, 303530, 1851533, 3703066, 9257665, 18515330]

約数ペア:

[(1, 18515330), (2, 9257665), (5, 3703066), (10, 1851533), (61, 303530), (122, 151765), (127, 145790), (239, 77470), (254, 72895), (305, 60706), (478, 38735), (610, 30353), (635, 29158), (1195, 15494), (1270, 14579), (2390, 7747)]