18540285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{72707}}^1$

素因数の和:72732

約数の個数: 16

約数和(自身を含む): 31409856

約数和(自身を除く): 12869571

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 72707, 218121, 363535, 1090605, 1236019, 3708057, 6180095, 18540285]

約数ペア:

[(1, 18540285), (3, 6180095), (5, 3708057), (15, 1236019), (17, 1090605), (51, 363535), (85, 218121), (255, 72707)]