18647842

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{317}}^1\times {\mathrm{439}}^1$

素因数の和:825

約数の個数: 16

約数和(自身を含む): 28543680

約数和(自身を除く): 9895838

約数列:

[1, 2, 67, 134, 317, 439, 634, 878, 21239, 29413, 42478, 58826, 139163, 278326, 9323921, 18647842]

約数ペア:

[(1, 18647842), (2, 9323921), (67, 278326), (134, 139163), (317, 58826), (439, 42478), (634, 29413), (878, 21239)]