19057987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 21269248

約数和(自身を除く): 2211261

約数列:

[1, 13, 43, 103, 331, 559, 1339, 4303, 4429, 14233, 34093, 57577, 185029, 443209, 1465999, 19057987]

約数ペア:

[(1, 19057987), (13, 1465999), (43, 443209), (103, 185029), (331, 57577), (559, 34093), (1339, 14233), (4303, 4429)]