19889936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113011}}^1$

素因数の和:113030

約数の個数: 20

約数和(自身を含む): 42040464

約数和(自身を除く): 22150528

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113011, 226022, 452044, 904088, 1243121, 1808176, 2486242, 4972484, 9944968, 19889936]

約数ペア:

[(1, 19889936), (2, 9944968), (4, 4972484), (8, 2486242), (11, 1808176), (16, 1243121), (22, 904088), (44, 452044), (88, 226022), (176, 113011)]