19174738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2131}}^1$

素因数の和:2553

約数の個数: 16

約数和(自身を含む): 31468320

約数和(自身を除く): 12293582

約数列:

[1, 2, 11, 22, 409, 818, 2131, 4262, 4499, 8998, 23441, 46882, 871579, 1743158, 9587369, 19174738]

約数ペア:

[(1, 19174738), (2, 9587369), (11, 1743158), (22, 871579), (409, 46882), (818, 23441), (2131, 8998), (4262, 4499)]