18085160

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1609}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 40861800

約数和(自身を除く): 22776640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 1609, 2248, 2810, 3218, 5620, 6436, 8045, 11240, 12872, 16090, 32180, 64360, 452129, 904258, 1808516, 2260645, 3617032, 4521290, 9042580, 18085160]

約数ペア:

[(1, 18085160), (2, 9042580), (4, 4521290), (5, 3617032), (8, 2260645), (10, 1808516), (20, 904258), (40, 452129), (281, 64360), (562, 32180), (1124, 16090), (1405, 12872), (1609, 11240), (2248, 8045), (2810, 6436), (3218, 5620)]