18927753

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1531}}^1$

素因数の和:1864

約数の個数: 16

約数和(自身を含む): 27281856

約数和(自身を除く): 8354103

約数列:

[1, 3, 13, 39, 317, 951, 1531, 4121, 4593, 12363, 19903, 59709, 485327, 1455981, 6309251, 18927753]

約数ペア:

[(1, 18927753), (3, 6309251), (13, 1455981), (39, 485327), (317, 59709), (951, 19903), (1531, 12363), (4121, 4593)]