18978765

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97327}}^1$

素因数の和:97348

約数の個数: 16

約数和(自身を含む): 32702208

約数和(自身を除く): 13723443

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 97327, 291981, 486635, 1265251, 1459905, 3795753, 6326255, 18978765]

約数ペア:

[(1, 18978765), (3, 6326255), (5, 3795753), (13, 1459905), (15, 1265251), (39, 486635), (65, 291981), (195, 97327)]