18932277

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9937

約数の個数: 24

約数和(自身を含む): 31626336

約数和(自身を除く): 12694059

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9907, 29721, 69349, 128791, 208047, 386373, 485443, 901537, 1456329, 2704611, 6310759, 18932277]

約数ペア:

[(1, 18932277), (3, 6310759), (7, 2704611), (13, 1456329), (21, 901537), (39, 485443), (49, 386373), (91, 208047), (147, 128791), (273, 69349), (637, 29721), (1911, 9907)]