19949942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{11071}}^1$

素因数の和:11143

約数の個数: 16

約数和(自身を含む): 32285952

約数和(自身を除く): 12336010

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 11071, 22142, 188207, 376414, 586763, 1173526, 9974971, 19949942]

約数ペア:

[(1, 19949942), (2, 9974971), (17, 1173526), (34, 586763), (53, 376414), (106, 188207), (901, 22142), (1802, 11071)]