19902610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21871}}^1$

素因数の和:21898

約数の個数: 32

約数和(自身を含む): 44093952

約数和(自身を除く): 24191342

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21871, 43742, 109355, 153097, 218710, 284323, 306194, 568646, 765485, 1421615, 1530970, 1990261, 2843230, 3980522, 9951305, 19902610]

約数ペア:

[(1, 19902610), (2, 9951305), (5, 3980522), (7, 2843230), (10, 1990261), (13, 1530970), (14, 1421615), (26, 765485), (35, 568646), (65, 306194), (70, 284323), (91, 218710), (130, 153097), (182, 109355), (455, 43742), (910, 21871)]