2019390009

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1056719}}^1$

素因数の和:1056749

約数の個数: 24

約数和(自身を含む): 3373050240

約数和(自身を除く): 1353660231

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 1056719, 3170157, 7397033, 13737347, 22191099, 41212041, 51779231, 96161429, 155337693, 288484287, 673130003, 2019390009]

約数ペア:

[(1, 2019390009), (3, 673130003), (7, 288484287), (13, 155337693), (21, 96161429), (39, 51779231), (49, 41212041), (91, 22191099), (147, 13737347), (273, 7397033), (637, 3170157), (1911, 1056719)]