19943242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31259}}^1$

素因数の和:31301

約数の個数: 16

約数和(自身を含む): 33760800

約数和(自身を除く): 13817558

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 31259, 62518, 343849, 687698, 906511, 1813022, 9971621, 19943242]

約数ペア:

[(1, 19943242), (2, 9971621), (11, 1813022), (22, 906511), (29, 687698), (58, 343849), (319, 62518), (638, 31259)]