18320996

素因数分解:

$2^2\times {\mathrm{101}}^2\times {\mathrm{449}}^1$

素因数の和:655

約数の個数: 18

約数和(自身を含む): 32454450

約数和(自身を除く): 14133454

約数列:

[1, 2, 4, 101, 202, 404, 449, 898, 1796, 10201, 20402, 40804, 45349, 90698, 181396, 4580249, 9160498, 18320996]

約数ペア:

[(1, 18320996), (2, 9160498), (4, 4580249), (101, 181396), (202, 90698), (404, 45349), (449, 40804), (898, 20402), (1796, 10201)]