18163959

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4871}}^1$

素因数の和:4998

約数の個数: 16

約数和(自身を含む): 26659584

約数和(自身を除く): 8495625

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 4871, 14613, 53581, 160743, 550423, 1651269, 6054653, 18163959]

約数ペア:

[(1, 18163959), (3, 6054653), (11, 1651269), (33, 550423), (113, 160743), (339, 53581), (1243, 14613), (3729, 4871)]