19513754

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{4441}}^1$

素因数の和:4482

約数の個数: 16

約数和(自身を含む): 31715880

約数和(自身を除く): 12202126

約数列:

[1, 2, 13, 26, 169, 338, 2197, 4394, 4441, 8882, 57733, 115466, 750529, 1501058, 9756877, 19513754]

約数ペア:

[(1, 19513754), (2, 9756877), (13, 1501058), (26, 750529), (169, 115466), (338, 57733), (2197, 8882), (4394, 4441)]