18723205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1319}}^1$

素因数の和:1508

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 5226875

約数列:

[1, 5, 17, 85, 167, 835, 1319, 2839, 6595, 14195, 22423, 112115, 220273, 1101365, 3744641, 18723205]

約数ペア:

[(1, 18723205), (5, 3744641), (17, 1101365), (85, 220273), (167, 112115), (835, 22423), (1319, 14195), (2839, 6595)]