18018945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{57203}}^1$

素因数の和:57221

約数の個数: 24

約数和(自身を含む): 35695296

約数和(自身を除く): 17676351

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 57203, 171609, 286015, 400421, 514827, 858045, 1201263, 2002105, 2574135, 3603789, 6006315, 18018945]

約数ペア:

[(1, 18018945), (3, 6006315), (5, 3603789), (7, 2574135), (9, 2002105), (15, 1201263), (21, 858045), (35, 514827), (45, 400421), (63, 286015), (105, 171609), (315, 57203)]