19380418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4679}}^1$

素因数の和:4809

約数の個数: 16

約数和(自身を含む): 30888000

約数和(自身を除く): 11507582

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 4679, 9358, 88901, 177802, 510011, 1020022, 9690209, 19380418]

約数ペア:

[(1, 19380418), (2, 9690209), (19, 1020022), (38, 510011), (109, 177802), (218, 88901), (2071, 9358), (4142, 4679)]