18911616017

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{419317}}^1$

素因数の和:419720

約数の個数: 16

約数和(自身を含む): 22945080960

約数和(自身を除く): 4033464943

約数列:

[1, 7, 17, 119, 379, 2653, 6443, 45101, 419317, 2935219, 7128389, 49898723, 158921143, 1112448001, 2701659431, 18911616017]

約数ペア:

[(1, 18911616017), (7, 2701659431), (17, 1112448001), (119, 158921143), (379, 49898723), (2653, 7128389), (6443, 2935219), (45101, 419317)]