19188819

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18223}}^1$

素因数の和:18248

約数の個数: 20

約数和(自身を含む): 30871456

約数和(自身を除く): 11682637

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18223, 54669, 164007, 236899, 492021, 710697, 1476063, 2132091, 6396273, 19188819]

約数ペア:

[(1, 19188819), (3, 6396273), (9, 2132091), (13, 1476063), (27, 710697), (39, 492021), (81, 236899), (117, 164007), (351, 54669), (1053, 18223)]