18693580

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3449}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 39412800

約数和(自身を除く): 20719220

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 3449, 5420, 6898, 13796, 17245, 34490, 68980, 934679, 1869358, 3738716, 4673395, 9346790, 18693580]

約数ペア:

[(1, 18693580), (2, 9346790), (4, 4673395), (5, 3738716), (10, 1869358), (20, 934679), (271, 68980), (542, 34490), (1084, 17245), (1355, 13796), (2710, 6898), (3449, 5420)]