18338805

素因数分解:

$3^4\times 5^1\times {\mathrm{45281}}^1$

素因数の和:45298

約数の個数: 20

約数和(自身を含む): 32874732

約数和(自身を除く): 14535927

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 45281, 135843, 226405, 407529, 679215, 1222587, 2037645, 3667761, 6112935, 18338805]

約数ペア:

[(1, 18338805), (3, 6112935), (5, 3667761), (9, 2037645), (15, 1222587), (27, 679215), (45, 407529), (81, 226405), (135, 135843), (405, 45281)]