18701665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1277}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 23464080

約数和(自身を除く): 4762415

約数列:

[1, 5, 29, 101, 145, 505, 1277, 2929, 6385, 14645, 37033, 128977, 185165, 644885, 3740333, 18701665]

約数ペア:

[(1, 18701665), (5, 3740333), (29, 644885), (101, 185165), (145, 128977), (505, 37033), (1277, 14645), (2929, 6385)]