18925640

素因数分解:

$2^3\times 5^1\times {\mathrm{473141}}^1$

素因数の和:473152

約数の個数: 16

約数和(自身を含む): 42582780

約数和(自身を除く): 23657140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 473141, 946282, 1892564, 2365705, 3785128, 4731410, 9462820, 18925640]

約数ペア:

[(1, 18925640), (2, 9462820), (4, 4731410), (5, 3785128), (8, 2365705), (10, 1892564), (20, 946282), (40, 473141)]