18681957

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12893}}^1$

素因数の和:12929

約数の個数: 24

約数和(自身を含む): 32183424

約数和(自身を除く): 13501467

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12893, 38679, 90251, 116037, 270753, 296539, 812259, 889617, 2075773, 2668851, 6227319, 18681957]

約数ペア:

[(1, 18681957), (3, 6227319), (7, 2668851), (9, 2075773), (21, 889617), (23, 812259), (63, 296539), (69, 270753), (161, 116037), (207, 90251), (483, 38679), (1449, 12893)]