18145785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4019}}^1$

素因数の和:4077

約数の個数: 32

約数和(自身を含む): 33960960

約数和(自身を除く): 15815175

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4019, 4515, 12057, 20095, 28133, 60285, 84399, 140665, 172817, 421995, 518451, 864085, 1209719, 2592255, 3629157, 6048595, 18145785]

約数ペア:

[(1, 18145785), (3, 6048595), (5, 3629157), (7, 2592255), (15, 1209719), (21, 864085), (35, 518451), (43, 421995), (105, 172817), (129, 140665), (215, 84399), (301, 60285), (645, 28133), (903, 20095), (1505, 12057), (4019, 4515)]