18666436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3109}}^1$

素因数の和:3211

約数の個数: 24

約数和(自身を含む): 34832000

約数和(自身を除く): 16165564

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3109, 6004, 6218, 12436, 59071, 118142, 236284, 245611, 491222, 982444, 4666609, 9333218, 18666436]

約数ペア:

[(1, 18666436), (2, 9333218), (4, 4666609), (19, 982444), (38, 491222), (76, 245611), (79, 236284), (158, 118142), (316, 59071), (1501, 12436), (3002, 6218), (3109, 6004)]