19190990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21089}}^1$

素因数の和:21116

約数の個数: 32

約数和(自身を含む): 42517440

約数和(自身を除く): 23326450

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21089, 42178, 105445, 147623, 210890, 274157, 295246, 548314, 738115, 1370785, 1476230, 1919099, 2741570, 3838198, 9595495, 19190990]

約数ペア:

[(1, 19190990), (2, 9595495), (5, 3838198), (7, 2741570), (10, 1919099), (13, 1476230), (14, 1370785), (26, 738115), (35, 548314), (65, 295246), (70, 274157), (91, 210890), (130, 147623), (182, 105445), (455, 42178), (910, 21089)]