18718017

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4909}}^1$

素因数の和:4984

約数の個数: 16

約数和(自身を含む): 26396160

約数和(自身を除く): 7678143

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 4909, 14727, 152179, 201269, 456537, 603807, 6239339, 18718017]

約数ペア:

[(1, 18718017), (3, 6239339), (31, 603807), (41, 456537), (93, 201269), (123, 152179), (1271, 14727), (3813, 4909)]