19661330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151241}}^1$

素因数の和:151261

約数の個数: 16

約数和(自身を含む): 38112984

約数和(自身を除く): 18451654

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151241, 302482, 756205, 1512410, 1966133, 3932266, 9830665, 19661330]

約数ペア:

[(1, 19661330), (2, 9830665), (5, 3932266), (10, 1966133), (13, 1512410), (26, 756205), (65, 302482), (130, 151241)]