18905079

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1451}}^1$

素因数の和:1598

約数の個数: 16

約数和(自身を含む): 26066304

約数和(自身を除く): 7161225

約数列:

[1, 3, 43, 101, 129, 303, 1451, 4343, 4353, 13029, 62393, 146551, 187179, 439653, 6301693, 18905079]

約数ペア:

[(1, 18905079), (3, 6301693), (43, 439653), (101, 187179), (129, 146551), (303, 62393), (1451, 13029), (4343, 4353)]