19879202

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{1861}}^1$

素因数の和:1986

約数の個数: 24

約数和(自身を含む): 35024220

約数和(自身を除く): 15145018

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 763, 1526, 1861, 3722, 5341, 10682, 13027, 26054, 91189, 182378, 202849, 405698, 1419943, 2839886, 9939601, 19879202]

約数ペア:

[(1, 19879202), (2, 9939601), (7, 2839886), (14, 1419943), (49, 405698), (98, 202849), (109, 182378), (218, 91189), (763, 26054), (1526, 13027), (1861, 10682), (3722, 5341)]