19901474

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2287}}^1$

素因数の和:2537

約数の個数: 16

約数和(自身を含む): 31574400

約数和(自身を除く): 11672926

約数列:

[1, 2, 19, 38, 229, 458, 2287, 4351, 4574, 8702, 43453, 86906, 523723, 1047446, 9950737, 19901474]

約数ペア:

[(1, 19901474), (2, 9950737), (19, 1047446), (38, 523723), (229, 86906), (458, 43453), (2287, 8702), (4351, 4574)]