19881806

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83537}}^1$

素因数の和:83563

約数の個数: 16

約数和(自身を含む): 36088416

約数和(自身を除く): 16206610

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 83537, 167074, 584759, 1169518, 1420129, 2840258, 9940903, 19881806]

約数ペア:

[(1, 19881806), (2, 9940903), (7, 2840258), (14, 1420129), (17, 1169518), (34, 584759), (119, 167074), (238, 83537)]