19724769

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{4903}}^1$

素因数の和:5061

約数の個数: 16

約数和(自身を含む): 29424000

約数和(自身を除く): 9699231

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 4903, 14709, 44127, 132381, 730547, 2191641, 6574923, 19724769]

約数ペア:

[(1, 19724769), (3, 6574923), (9, 2191641), (27, 730547), (149, 132381), (447, 44127), (1341, 14709), (4023, 4903)]