18620171948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21451811}}^1$

素因数の和:21451853

約数の個数: 24

約数和(自身を含む): 38441647104

約数和(自身を除く): 19821475156

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21451811, 42903622, 85807244, 150162677, 300325354, 600650708, 665006141, 1330012282, 2660024564, 4655042987, 9310085974, 18620171948]

約数ペア:

[(1, 18620171948), (2, 9310085974), (4, 4655042987), (7, 2660024564), (14, 1330012282), (28, 665006141), (31, 600650708), (62, 300325354), (124, 150162677), (217, 85807244), (434, 42903622), (868, 21451811)]