18217810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3259}}^1$

素因数の和:3322

約数の個数: 32

約数和(自身を含む): 36146880

約数和(自身を除く): 17929070

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3259, 5590, 6518, 16295, 32590, 42367, 84734, 140137, 211835, 280274, 423670, 700685, 1401370, 1821781, 3643562, 9108905, 18217810]

約数ペア:

[(1, 18217810), (2, 9108905), (5, 3643562), (10, 1821781), (13, 1401370), (26, 700685), (43, 423670), (65, 280274), (86, 211835), (130, 140137), (215, 84734), (430, 42367), (559, 32590), (1118, 16295), (2795, 6518), (3259, 5590)]