18639564

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41981}}^1$

素因数の和:42025

約数の個数: 24

約数和(自身を含む): 44668848

約数和(自身を除く): 26029284

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 41981, 83962, 125943, 167924, 251886, 503772, 1553297, 3106594, 4659891, 6213188, 9319782, 18639564]

約数ペア:

[(1, 18639564), (2, 9319782), (3, 6213188), (4, 4659891), (6, 3106594), (12, 1553297), (37, 503772), (74, 251886), (111, 167924), (148, 125943), (222, 83962), (444, 41981)]