19809998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44819}}^1$

素因数の和:44851

約数の個数: 16

約数和(自身を含む): 33883920

約数和(自身を除く): 14073922

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 44819, 89638, 582647, 761923, 1165294, 1523846, 9904999, 19809998]

約数ペア:

[(1, 19809998), (2, 9904999), (13, 1523846), (17, 1165294), (26, 761923), (34, 582647), (221, 89638), (442, 44819)]