19653849

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 29352960

約数和(自身を除く): 9699111

約数列:

[1, 3, 9, 47, 97, 141, 291, 423, 479, 873, 1437, 4311, 4559, 13677, 22513, 41031, 46463, 67539, 139389, 202617, 418167, 2183761, 6551283, 19653849]

約数ペア:

[(1, 19653849), (3, 6551283), (9, 2183761), (47, 418167), (97, 202617), (141, 139389), (291, 67539), (423, 46463), (479, 41031), (873, 22513), (1437, 13677), (4311, 4559)]