19754576

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{11987}}^1$

素因数の和:12098

約数の個数: 20

約数和(自身を含む): 38649312

約数和(自身を除く): 18894736

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 11987, 23974, 47948, 95896, 191792, 1234661, 2469322, 4938644, 9877288, 19754576]

約数ペア:

[(1, 19754576), (2, 9877288), (4, 4938644), (8, 2469322), (16, 1234661), (103, 191792), (206, 95896), (412, 47948), (824, 23974), (1648, 11987)]