19889506

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1061}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 37110528

約数和(自身を除く): 17221022

約数列:

[1, 2, 7, 13, 14, 26, 91, 103, 182, 206, 721, 1061, 1339, 1442, 2122, 2678, 7427, 9373, 13793, 14854, 18746, 27586, 96551, 109283, 193102, 218566, 764981, 1420679, 1529962, 2841358, 9944753, 19889506]

約数ペア:

[(1, 19889506), (2, 9944753), (7, 2841358), (13, 1529962), (14, 1420679), (26, 764981), (91, 218566), (103, 193102), (182, 109283), (206, 96551), (721, 27586), (1061, 18746), (1339, 14854), (1442, 13793), (2122, 9373), (2678, 7427)]