19417886

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8377}}^1$

素因数の和:8459

約数の個数: 16

約数和(自身を含む): 31166160

約数和(自身を除く): 11748274

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8377, 16754, 159163, 318326, 510997, 1021994, 9708943, 19417886]

約数ペア:

[(1, 19417886), (2, 9708943), (19, 1021994), (38, 510997), (61, 318326), (122, 159163), (1159, 16754), (2318, 8377)]