18956470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145819}}^1$

素因数の和:145839

約数の個数: 16

約数和(自身を含む): 36746640

約数和(自身を除く): 17790170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 145819, 291638, 729095, 1458190, 1895647, 3791294, 9478235, 18956470]

約数ペア:

[(1, 18956470), (2, 9478235), (5, 3791294), (10, 1895647), (13, 1458190), (26, 729095), (65, 291638), (130, 145819)]