18959751

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10177}}^1$

素因数の和:10212

約数の個数: 20

約数和(自身を含む): 29556912

約数和(自身を除く): 10597161

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10177, 30531, 91593, 234071, 274779, 702213, 824337, 2106639, 6319917, 18959751]

約数ペア:

[(1, 18959751), (3, 6319917), (9, 2106639), (23, 824337), (27, 702213), (69, 274779), (81, 234071), (207, 91593), (621, 30531), (1863, 10177)]