18873640

素因数分解:

$2^3\times 5^1\times {\mathrm{471841}}^1$

素因数の和:471852

約数の個数: 16

約数和(自身を含む): 42465780

約数和(自身を除く): 23592140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 471841, 943682, 1887364, 2359205, 3774728, 4718410, 9436820, 18873640]

約数ペア:

[(1, 18873640), (2, 9436820), (4, 4718410), (5, 3774728), (8, 2359205), (10, 1887364), (20, 943682), (40, 471841)]