18705986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{24809}}^1$

素因数の和:24853

約数の個数: 16

約数和(自身を含む): 31260600

約数和(自身を除く): 12554614

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 24809, 49618, 322517, 645034, 719461, 1438922, 9352993, 18705986]

約数ペア:

[(1, 18705986), (2, 9352993), (13, 1438922), (26, 719461), (29, 645034), (58, 322517), (377, 49618), (754, 24809)]