19646180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8693}}^1$

素因数の和:8815

約数の個数: 24

約数和(自身を含む): 41626872

約数和(自身を除く): 21980692

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8693, 17386, 34772, 43465, 86930, 173860, 982309, 1964618, 3929236, 4911545, 9823090, 19646180]

約数ペア:

[(1, 19646180), (2, 9823090), (4, 4911545), (5, 3929236), (10, 1964618), (20, 982309), (113, 173860), (226, 86930), (452, 43465), (565, 34772), (1130, 17386), (2260, 8693)]