18673220

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1367}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 39299904

約数和(自身を除く): 20626684

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 1367, 2732, 2734, 3415, 5468, 6830, 6835, 13660, 13670, 27340, 933661, 1867322, 3734644, 4668305, 9336610, 18673220]

約数ペア:

[(1, 18673220), (2, 9336610), (4, 4668305), (5, 3734644), (10, 1867322), (20, 933661), (683, 27340), (1366, 13670), (1367, 13660), (2732, 6835), (2734, 6830), (3415, 5468)]