18988234

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:717

約数の個数: 16

約数和(自身を含む): 28929600

約数和(自身を除く): 9941366

約数列:

[1, 2, 139, 167, 278, 334, 409, 818, 23213, 46426, 56851, 68303, 113702, 136606, 9494117, 18988234]

約数ペア:

[(1, 18988234), (2, 9494117), (139, 136606), (167, 113702), (278, 68303), (334, 56851), (409, 46426), (818, 23213)]