19401782

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1459}}^1$

素因数の和:1631

約数の個数: 16

約数和(自身を含む): 29871600

約数和(自身を除く): 10469818

約数列:

[1, 2, 61, 109, 122, 218, 1459, 2918, 6649, 13298, 88999, 159031, 177998, 318062, 9700891, 19401782]

約数ペア:

[(1, 19401782), (2, 9700891), (61, 318062), (109, 177998), (122, 159031), (218, 88999), (1459, 13298), (2918, 6649)]