18745640

素因数分解:

$2^3\times 5^1\times {\mathrm{468641}}^1$

素因数の和:468652

約数の個数: 16

約数和(自身を含む): 42177780

約数和(自身を除く): 23432140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 468641, 937282, 1874564, 2343205, 3749128, 4686410, 9372820, 18745640]

約数ペア:

[(1, 18745640), (2, 9372820), (4, 4686410), (5, 3749128), (8, 2343205), (10, 1874564), (20, 937282), (40, 468641)]