19755717

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2957}}^1$

素因数の和:3108

約数の個数: 16

約数和(自身を含む): 28112832

約数和(自身を除く): 8357115

約数列:

[1, 3, 17, 51, 131, 393, 2227, 2957, 6681, 8871, 50269, 150807, 387367, 1162101, 6585239, 19755717]

約数ペア:

[(1, 19755717), (3, 6585239), (17, 1162101), (51, 387367), (131, 150807), (393, 50269), (2227, 8871), (2957, 6681)]