18611716

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12889}}^1$

素因数の和:12931

約数の個数: 18

約数和(自身を含む): 34377630

約数和(自身を除く): 15765914

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12889, 25778, 51556, 244891, 489782, 979564, 4652929, 9305858, 18611716]

約数ペア:

[(1, 18611716), (2, 9305858), (4, 4652929), (19, 979564), (38, 489782), (76, 244891), (361, 51556), (722, 25778), (1444, 12889)]