18394061

素因数分解:

$7^4\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:238

約数の個数: 20

約数和(自身を含む): 22049472

約数和(自身を除く): 3655411

約数列:

[1, 7, 47, 49, 163, 329, 343, 1141, 2303, 2401, 7661, 7987, 16121, 53627, 55909, 112847, 375389, 391363, 2627723, 18394061]

約数ペア:

[(1, 18394061), (7, 2627723), (47, 391363), (49, 375389), (163, 112847), (329, 55909), (343, 53627), (1141, 16121), (2303, 7987), (2401, 7661)]