12698416

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18457}}^1$

素因数の和:18508

約数の個数: 20

約数和(自身を含む): 25176712

約数和(自身を除く): 12478296

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18457, 36914, 73828, 147656, 295312, 793651, 1587302, 3174604, 6349208, 12698416]

約数ペア:

[(1, 12698416), (2, 6349208), (4, 3174604), (8, 1587302), (16, 793651), (43, 295312), (86, 147656), (172, 73828), (344, 36914), (688, 18457)]