19994702

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1801}}^1$

素因数の和:1884

約数の個数: 32

約数和(自身を含む): 37539264

約数和(自身を除く): 17544562

約数列:

[1, 2, 7, 13, 14, 26, 61, 91, 122, 182, 427, 793, 854, 1586, 1801, 3602, 5551, 11102, 12607, 23413, 25214, 46826, 109861, 163891, 219722, 327782, 769027, 1428193, 1538054, 2856386, 9997351, 19994702]

約数ペア:

[(1, 19994702), (2, 9997351), (7, 2856386), (13, 1538054), (14, 1428193), (26, 769027), (61, 327782), (91, 219722), (122, 163891), (182, 109861), (427, 46826), (793, 25214), (854, 23413), (1586, 12607), (1801, 11102), (3602, 5551)]