18880565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3539}}^1$

素因数の和:3652

約数の個数: 16

約数和(自身を含む): 24978240

約数和(自身を除く): 6097675

約数列:

[1, 5, 11, 55, 97, 485, 1067, 3539, 5335, 17695, 38929, 194645, 343283, 1716415, 3776113, 18880565]

約数ペア:

[(1, 18880565), (5, 3776113), (11, 1716415), (55, 343283), (97, 194645), (485, 38929), (1067, 17695), (3539, 5335)]