18540965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{659}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 23664960

約数和(自身を除く): 5123995

約数列:

[1, 5, 17, 85, 331, 659, 1655, 3295, 5627, 11203, 28135, 56015, 218129, 1090645, 3708193, 18540965]

約数ペア:

[(1, 18540965), (5, 3708193), (17, 1090645), (85, 218129), (331, 56015), (659, 28135), (1655, 11203), (3295, 5627)]