19974123

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2161}}^1$

素因数の和:2259

約数の個数: 24

約数和(自身を含む): 31478720

約数和(自身を除く): 11504597

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 2161, 3081, 6483, 9243, 19449, 28093, 84279, 170719, 252837, 512157, 1536471, 2219347, 6658041, 19974123]

約数ペア:

[(1, 19974123), (3, 6658041), (9, 2219347), (13, 1536471), (39, 512157), (79, 252837), (117, 170719), (237, 84279), (711, 28093), (1027, 19449), (2161, 9243), (3081, 6483)]