19960018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1877}}^1$

素因数の和:2301

約数の個数: 16

約数和(自身を含む): 32339160

約数和(自身を除く): 12379142

約数列:

[1, 2, 13, 26, 409, 818, 1877, 3754, 5317, 10634, 24401, 48802, 767693, 1535386, 9980009, 19960018]

約数ペア:

[(1, 19960018), (2, 9980009), (13, 1535386), (26, 767693), (409, 48802), (818, 24401), (1877, 10634), (3754, 5317)]