18009855

素因数分解:

$3^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{857}}^1$

素因数の和:1335

約数の個数: 24

約数和(自身を含む): 31320432

約数和(自身を除く): 13310577

約数列:

[1, 3, 5, 9, 15, 45, 467, 857, 1401, 2335, 2571, 4203, 4285, 7005, 7713, 12855, 21015, 38565, 400219, 1200657, 2001095, 3601971, 6003285, 18009855]

約数ペア:

[(1, 18009855), (3, 6003285), (5, 3601971), (9, 2001095), (15, 1200657), (45, 400219), (467, 38565), (857, 21015), (1401, 12855), (2335, 7713), (2571, 7005), (4203, 4285)]