19553643

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{1481}}^1$

素因数の和:1656

約数の個数: 20

約数和(自身を含む): 29408808

約数和(自身を除く): 9855165

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 1481, 4401, 4443, 13203, 13329, 39987, 119961, 241403, 724209, 2172627, 6517881, 19553643]

約数ペア:

[(1, 19553643), (3, 6517881), (9, 2172627), (27, 724209), (81, 241403), (163, 119961), (489, 39987), (1467, 13329), (1481, 13203), (4401, 4443)]