18957925

素因数分解:

$5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{853}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 27109376

約数和(自身を除く): 8151451

約数列:

[1, 5, 7, 25, 35, 127, 175, 635, 853, 889, 3175, 4265, 4445, 5971, 21325, 22225, 29855, 108331, 149275, 541655, 758317, 2708275, 3791585, 18957925]

約数ペア:

[(1, 18957925), (5, 3791585), (7, 2708275), (25, 758317), (35, 541655), (127, 149275), (175, 108331), (635, 29855), (853, 22225), (889, 21325), (3175, 5971), (4265, 4445)]