19992651

素因数分解:

$3^1\times 7^1\times {\mathrm{617}}^1\times {\mathrm{1543}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 30534144

約数和(自身を除く): 10541493

約数列:

[1, 3, 7, 21, 617, 1543, 1851, 4319, 4629, 10801, 12957, 32403, 952031, 2856093, 6664217, 19992651]

約数ペア:

[(1, 19992651), (3, 6664217), (7, 2856093), (21, 952031), (617, 32403), (1543, 12957), (1851, 10801), (4319, 4629)]