18475251

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{727}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 25369344

約数和(自身を除く): 6894093

約数列:

[1, 3, 43, 129, 197, 591, 727, 2181, 8471, 25413, 31261, 93783, 143219, 429657, 6158417, 18475251]

約数ペア:

[(1, 18475251), (3, 6158417), (43, 429657), (129, 143219), (197, 93783), (591, 31261), (727, 25413), (2181, 8471)]