19762864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112289}}^1$

素因数の和:112308

約数の個数: 20

約数和(自身を含む): 41771880

約数和(自身を除く): 22009016

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112289, 224578, 449156, 898312, 1235179, 1796624, 2470358, 4940716, 9881432, 19762864]

約数ペア:

[(1, 19762864), (2, 9881432), (4, 4940716), (8, 2470358), (11, 1796624), (16, 1235179), (22, 898312), (44, 449156), (88, 224578), (176, 112289)]