18720314

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{1087}}^1$

素因数の和:1277

約数の個数: 16

約数和(自身を含む): 28723200

約数和(自身を除く): 10002886

約数列:

[1, 2, 79, 109, 158, 218, 1087, 2174, 8611, 17222, 85873, 118483, 171746, 236966, 9360157, 18720314]

約数ペア:

[(1, 18720314), (2, 9360157), (79, 236966), (109, 171746), (158, 118483), (218, 85873), (1087, 17222), (2174, 8611)]