19958908021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{90311801}}^1$

素因数の和:90311831

約数の個数: 8

約数和(自身を含む): 22758574104

約数和(自身を除く): 2799666083

約数列:

[1, 13, 17, 221, 90311801, 1174053413, 1535300617, 19958908021]

約数ペア:

[(1, 19958908021), (13, 1535300617), (17, 1174053413), (221, 90311801)]