18623564

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{821}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 33557328

約数和(自身を除く): 14933764

約数列:

[1, 2, 4, 53, 106, 107, 212, 214, 428, 821, 1642, 3284, 5671, 11342, 22684, 43513, 87026, 87847, 174052, 175694, 351388, 4655891, 9311782, 18623564]

約数ペア:

[(1, 18623564), (2, 9311782), (4, 4655891), (53, 351388), (106, 175694), (107, 174052), (212, 87847), (214, 87026), (428, 43513), (821, 22684), (1642, 11342), (3284, 5671)]