19686933

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1481}}^1$

素因数の和:1705

約数の個数: 24

約数和(自身を含む): 32675136

約数和(自身を除く): 12988203

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1481, 1899, 4431, 4443, 10367, 13293, 13329, 31101, 93303, 312491, 937473, 2187437, 2812419, 6562311, 19686933]

約数ペア:

[(1, 19686933), (3, 6562311), (7, 2812419), (9, 2187437), (21, 937473), (63, 312491), (211, 93303), (633, 31101), (1477, 13329), (1481, 13293), (1899, 10367), (4431, 4443)]