1980378

素因数分解:

$2^1\times 3^2\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:686

約数の個数: 24

約数和(自身を含む): 4317300

約数和(自身を除く): 2336922

約数列:

[1, 2, 3, 6, 9, 18, 269, 409, 538, 807, 818, 1227, 1614, 2421, 2454, 3681, 4842, 7362, 110021, 220042, 330063, 660126, 990189, 1980378]

約数ペア:

[(1, 1980378), (2, 990189), (3, 660126), (6, 330063), (9, 220042), (18, 110021), (269, 7362), (409, 4842), (538, 3681), (807, 2454), (818, 2421), (1227, 1614)]