19247086

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{1997}}^1$

素因数の和:2139

約数の個数: 16

約数和(自身を含む): 29730240

約数和(自身を除く): 10483154

約数列:

[1, 2, 61, 79, 122, 158, 1997, 3994, 4819, 9638, 121817, 157763, 243634, 315526, 9623543, 19247086]

約数ペア:

[(1, 19247086), (2, 9623543), (61, 315526), (79, 243634), (122, 157763), (158, 121817), (1997, 9638), (3994, 4819)]