19790169

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2207}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 31212288

約数和(自身を除く): 11422119

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2207, 2989, 6621, 8967, 15449, 46347, 108143, 134627, 324429, 403881, 942389, 2827167, 6596723, 19790169]

約数ペア:

[(1, 19790169), (3, 6596723), (7, 2827167), (21, 942389), (49, 403881), (61, 324429), (147, 134627), (183, 108143), (427, 46347), (1281, 15449), (2207, 8967), (2989, 6621)]