18897319

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 4085081

約数列:

[1, 7, 17, 119, 379, 419, 2653, 2933, 6443, 7123, 45101, 49861, 158801, 1111607, 2699617, 18897319]

約数ペア:

[(1, 18897319), (7, 2699617), (17, 1111607), (119, 158801), (379, 49861), (419, 45101), (2653, 7123), (2933, 6443)]