18772640

素因数分解:

$2^5\times 5^1\times {\mathrm{117329}}^1$

素因数の和:117344

約数の個数: 24

約数和(自身を含む): 44350740

約数和(自身を除く): 25578100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 117329, 234658, 469316, 586645, 938632, 1173290, 1877264, 2346580, 3754528, 4693160, 9386320, 18772640]

約数ペア:

[(1, 18772640), (2, 9386320), (4, 4693160), (5, 3754528), (8, 2346580), (10, 1877264), (16, 1173290), (20, 938632), (32, 586645), (40, 469316), (80, 234658), (160, 117329)]