20181941

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 4493899

約数列:

[1, 13, 17, 29, 47, 67, 221, 377, 493, 611, 799, 871, 1139, 1363, 1943, 3149, 6409, 10387, 14807, 17719, 23171, 25259, 33031, 40937, 53533, 91321, 301223, 429403, 695929, 1187173, 1552457, 20181941]

約数ペア:

[(1, 20181941), (13, 1552457), (17, 1187173), (29, 695929), (47, 429403), (67, 301223), (221, 91321), (377, 53533), (493, 40937), (611, 33031), (799, 25259), (871, 23171), (1139, 17719), (1363, 14807), (1943, 10387), (3149, 6409)]