18868009

素因数分解:

${\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 20275200

約数和(自身を除く): 1407191

約数列:

[1, 29, 47, 109, 127, 1363, 3161, 3683, 5123, 5969, 13843, 148567, 173101, 401447, 650621, 18868009]

約数ペア:

[(1, 18868009), (29, 650621), (47, 401447), (109, 173101), (127, 148567), (1363, 13843), (3161, 5969), (3683, 5123)]