19309191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4271}}^1$

素因数の和:4422

約数の個数: 16

約数和(自身を含む): 28297728

約数和(自身を除く): 8988537

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4271, 4521, 12813, 46981, 140943, 585127, 1755381, 6436397, 19309191]

約数ペア:

[(1, 19309191), (3, 6436397), (11, 1755381), (33, 585127), (137, 140943), (411, 46981), (1507, 12813), (4271, 4521)]