18805588

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 33516000

約数和(自身を除く): 14710412

約数列:

[1, 2, 4, 139, 149, 227, 278, 298, 454, 556, 596, 908, 20711, 31553, 33823, 41422, 63106, 67646, 82844, 126212, 135292, 4701397, 9402794, 18805588]

約数ペア:

[(1, 18805588), (2, 9402794), (4, 4701397), (139, 135292), (149, 126212), (227, 82844), (278, 67646), (298, 63106), (454, 41422), (556, 33823), (596, 31553), (908, 20711)]