19943601505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{6841}}^1\times {\mathrm{14221}}^1$

素因数の和:21108

約数の個数: 16

約数和(自身を含む): 24521344848

約数和(自身を除く): 4577743343

約数列:

[1, 5, 41, 205, 6841, 14221, 34205, 71105, 280481, 583061, 1402405, 2915305, 97285861, 486429305, 3988720301, 19943601505]

約数ペア:

[(1, 19943601505), (5, 3988720301), (41, 486429305), (205, 97285861), (6841, 2915305), (14221, 1402405), (34205, 583061), (71105, 280481)]