19263981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4261}}^1$

素因数の和:4412

約数の個数: 16

約数和(自身を含む): 28231488

約数和(自身を除く): 8967507

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4261, 4521, 12783, 46871, 140613, 583757, 1751271, 6421327, 19263981]

約数ペア:

[(1, 19263981), (3, 6421327), (11, 1751271), (33, 583757), (137, 140613), (411, 46871), (1507, 12783), (4261, 4521)]