18679402

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{9739}}^1$

素因数の和:9885

約数の個数: 16

約数和(自身を含む): 32258880

約数和(自身を除く): 13579478

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 9739, 19478, 68173, 136346, 1334243, 2668486, 9339701, 18679402]

約数ペア:

[(1, 18679402), (2, 9339701), (7, 2668486), (14, 1334243), (137, 136346), (274, 68173), (959, 19478), (1918, 9739)]