18826660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17761}}^1$

素因数の和:17823

約数の個数: 24

約数和(自身を含む): 40284216

約数和(自身を除く): 21457556

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 17761, 35522, 71044, 88805, 177610, 355220, 941333, 1882666, 3765332, 4706665, 9413330, 18826660]

約数ペア:

[(1, 18826660), (2, 9413330), (4, 4706665), (5, 3765332), (10, 1882666), (20, 941333), (53, 355220), (106, 177610), (212, 88805), (265, 71044), (530, 35522), (1060, 17761)]