18907358

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{2017}}^1$

素因数の和:2171

約数の個数: 16

約数和(自身を含む): 29301360

約数和(自身を除く): 10394002

約数列:

[1, 2, 43, 86, 109, 218, 2017, 4034, 4687, 9374, 86731, 173462, 219853, 439706, 9453679, 18907358]

約数ペア:

[(1, 18907358), (2, 9453679), (43, 439706), (86, 219853), (109, 173462), (218, 86731), (2017, 9374), (4034, 4687)]