19909786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{12979}}^1$

素因数の和:13053

約数の個数: 16

約数和(自身を含む): 32709600

約数和(自身を除く): 12799814

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 12979, 25958, 168727, 337454, 765761, 1531522, 9954893, 19909786]

約数ペア:

[(1, 19909786), (2, 9954893), (13, 1531522), (26, 765761), (59, 337454), (118, 168727), (767, 25958), (1534, 12979)]