19638021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21893}}^1$

素因数の和:21932

約数の個数: 16

約数和(自身を含む): 29425536

約数和(自身を除く): 9787515

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 21893, 65679, 284609, 503539, 853827, 1510617, 6546007, 19638021]

約数ペア:

[(1, 19638021), (3, 6546007), (13, 1510617), (23, 853827), (39, 503539), (69, 284609), (299, 65679), (897, 21893)]