18372809

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 22848000

約数和(自身を除く): 4475191

約数列:

[1, 7, 13, 91, 101, 707, 1313, 1999, 9191, 13993, 25987, 181909, 201899, 1413293, 2624687, 18372809]

約数ペア:

[(1, 18372809), (7, 2624687), (13, 1413293), (91, 201899), (101, 181909), (707, 25987), (1313, 13993), (1999, 9191)]