19374381

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3851}}^1$

素因数の和:3913

約数の個数: 24

約数和(自身を含む): 30846816

約数和(自身を除く): 11472435

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 3851, 5031, 11553, 34659, 50063, 150189, 165593, 450567, 496779, 1490337, 2152709, 6458127, 19374381]

約数ペア:

[(1, 19374381), (3, 6458127), (9, 2152709), (13, 1490337), (39, 496779), (43, 450567), (117, 165593), (129, 150189), (387, 50063), (559, 34659), (1677, 11553), (3851, 5031)]