18722620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133733}}^1$

素因数の和:133749

約数の個数: 24

約数和(自身を含む): 44934624

約数和(自身を除く): 26212004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133733, 267466, 534932, 668665, 936131, 1337330, 1872262, 2674660, 3744524, 4680655, 9361310, 18722620]

約数ペア:

[(1, 18722620), (2, 9361310), (4, 4680655), (5, 3744524), (7, 2674660), (10, 1872262), (14, 1337330), (20, 936131), (28, 668665), (35, 534932), (70, 267466), (140, 133733)]