19813816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{225157}}^1$

素因数の和:225174

約数の個数: 16

約数和(自身を含む): 40528440

約数和(自身を除く): 20714624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 225157, 450314, 900628, 1801256, 2476727, 4953454, 9906908, 19813816]

約数ペア:

[(1, 19813816), (2, 9906908), (4, 4953454), (8, 2476727), (11, 1801256), (22, 900628), (44, 450314), (88, 225157)]