19047340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73259}}^1$

素因数の和:73281

約数の個数: 24

約数和(自身を含む): 43076880

約数和(自身を除く): 24029540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73259, 146518, 293036, 366295, 732590, 952367, 1465180, 1904734, 3809468, 4761835, 9523670, 19047340]

約数ペア:

[(1, 19047340), (2, 9523670), (4, 4761835), (5, 3809468), (10, 1904734), (13, 1465180), (20, 952367), (26, 732590), (52, 366295), (65, 293036), (130, 146518), (260, 73259)]