18681292

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6121}}^1$

素因数の和:6241

約数の個数: 24

約数和(自身を含む): 37711520

約数和(自身を除く): 19030228

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6121, 12242, 24484, 42847, 85694, 171388, 667189, 1334378, 2668756, 4670323, 9340646, 18681292]

約数ペア:

[(1, 18681292), (2, 9340646), (4, 4670323), (7, 2668756), (14, 1334378), (28, 667189), (109, 171388), (218, 85694), (436, 42847), (763, 24484), (1526, 12242), (3052, 6121)]