18305620

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1163}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 38523744

約数和(自身を除く): 20218124

約数列:

[1, 2, 4, 5, 10, 20, 787, 1163, 1574, 2326, 3148, 3935, 4652, 5815, 7870, 11630, 15740, 23260, 915281, 1830562, 3661124, 4576405, 9152810, 18305620]

約数ペア:

[(1, 18305620), (2, 9152810), (4, 4576405), (5, 3661124), (10, 1830562), (20, 915281), (787, 23260), (1163, 15740), (1574, 11630), (2326, 7870), (3148, 5815), (3935, 4652)]