18545385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{72727}}^1$

素因数の和:72752

約数の個数: 16

約数和(自身を含む): 31418496

約数和(自身を除く): 12873111

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 72727, 218181, 363635, 1090905, 1236359, 3709077, 6181795, 18545385]

約数ペア:

[(1, 18545385), (3, 6181795), (5, 3709077), (15, 1236359), (17, 1090905), (51, 363635), (85, 218181), (255, 72727)]