17851420

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12227}}^1$

素因数の和:12309

約数の個数: 24

約数和(自身を含む): 38004624

約数和(自身を除く): 20153204

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12227, 24454, 48908, 61135, 122270, 244540, 892571, 1785142, 3570284, 4462855, 8925710, 17851420]

約数ペア:

[(1, 17851420), (2, 8925710), (4, 4462855), (5, 3570284), (10, 1785142), (20, 892571), (73, 244540), (146, 122270), (292, 61135), (365, 48908), (730, 24454), (1460, 12227)]