19786053

素因数分解:

$3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{479}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 30862080

約数和(自身を除く): 11076027

約数列:

[1, 3, 7, 21, 49, 147, 281, 479, 843, 1437, 1967, 3353, 5901, 10059, 13769, 23471, 41307, 70413, 134599, 403797, 942193, 2826579, 6595351, 19786053]

約数ペア:

[(1, 19786053), (3, 6595351), (7, 2826579), (21, 942193), (49, 403797), (147, 134599), (281, 70413), (479, 41307), (843, 23471), (1437, 13769), (1967, 10059), (3353, 5901)]