19539093

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2179}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 30816480

約数和(自身を除く): 11277387

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2179, 2989, 6537, 8967, 15253, 45759, 106771, 132919, 320313, 398757, 930433, 2791299, 6513031, 19539093]

約数ペア:

[(1, 19539093), (3, 6513031), (7, 2791299), (21, 930433), (49, 398757), (61, 320313), (147, 132919), (183, 106771), (427, 45759), (1281, 15253), (2179, 8967), (2989, 6537)]