18982556

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 33817056

約数和(自身を除く): 14834500

約数列:

[1, 2, 4, 157, 167, 181, 314, 334, 362, 628, 668, 724, 26219, 28417, 30227, 52438, 56834, 60454, 104876, 113668, 120908, 4745639, 9491278, 18982556]

約数ペア:

[(1, 18982556), (2, 9491278), (4, 4745639), (157, 120908), (167, 113668), (181, 104876), (314, 60454), (334, 56834), (362, 52438), (628, 30227), (668, 28417), (724, 26219)]