189817810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{208591}}^1$

素因数の和:208618

約数の個数: 32

約数和(自身を含む): 420521472

約数和(自身を除く): 230703662

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 208591, 417182, 1042955, 1460137, 2085910, 2711683, 2920274, 5423366, 7300685, 13558415, 14601370, 18981781, 27116830, 37963562, 94908905, 189817810]

約数ペア:

[(1, 189817810), (2, 94908905), (5, 37963562), (7, 27116830), (10, 18981781), (13, 14601370), (14, 13558415), (26, 7300685), (35, 5423366), (65, 2920274), (70, 2711683), (91, 2085910), (130, 1460137), (182, 1042955), (455, 417182), (910, 208591)]