19155737

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:304

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 1372903

約数列:

[1, 31, 53, 89, 131, 1643, 2759, 4061, 4717, 6943, 11659, 146227, 215233, 361429, 617927, 19155737]

約数ペア:

[(1, 19155737), (31, 617927), (53, 361429), (89, 215233), (131, 146227), (1643, 11659), (2759, 6943), (4061, 4717)]