18942790

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{44053}}^1$

素因数の和:44103

約数の個数: 16

約数和(自身を含む): 34890768

約数和(自身を除く): 15947978

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 44053, 88106, 220265, 440530, 1894279, 3788558, 9471395, 18942790]

約数ペア:

[(1, 18942790), (2, 9471395), (5, 3788558), (10, 1894279), (43, 440530), (86, 220265), (215, 88106), (430, 44053)]