18063969

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7109}}^1$

素因数の和:7141

約数の個数: 24

約数和(自身を含む): 30260160

約数和(自身を除く): 12196191

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 7109, 21327, 49763, 78199, 149289, 234597, 547393, 860189, 1642179, 2580567, 6021323, 18063969]

約数ペア:

[(1, 18063969), (3, 6021323), (7, 2580567), (11, 1642179), (21, 860189), (33, 547393), (77, 234597), (121, 149289), (231, 78199), (363, 49763), (847, 21327), (2541, 7109)]