2019978233

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1305739}}^1$

素因数の和:1305776

約数の個数: 16

約数和(自身を含む): 2632371840

約数和(自身を除く): 612393607

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 1305739, 9140173, 16974607, 22197563, 118822249, 155382941, 288568319, 2019978233]

約数ペア:

[(1, 2019978233), (7, 288568319), (13, 155382941), (17, 118822249), (91, 22197563), (119, 16974607), (221, 9140173), (1547, 1305739)]