17964221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 20428800

約数和(自身を除く): 2464579

約数列:

[1, 11, 31, 139, 341, 379, 1529, 4169, 4309, 11749, 47399, 52681, 129239, 579491, 1633111, 17964221]

約数ペア:

[(1, 17964221), (11, 1633111), (31, 579491), (139, 129239), (341, 52681), (379, 47399), (1529, 11749), (4169, 4309)]