2018921079

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{319399}}^1$

素因数の和:319459

約数の個数: 24

約数和(自身を含む): 3204220800

約数和(自身を除く): 1185299721

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 319399, 958197, 2235793, 6707379, 13734157, 15650551, 41202471, 46951653, 96139099, 288417297, 672973693, 2018921079]

約数ペア:

[(1, 2018921079), (3, 672973693), (7, 288417297), (21, 96139099), (43, 46951653), (49, 41202471), (129, 15650551), (147, 13734157), (301, 6707379), (903, 2235793), (2107, 958197), (6321, 319399)]