18970107

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1213}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 27329568

約数和(自身を除く): 8359461

約数列:

[1, 3, 13, 39, 401, 1203, 1213, 3639, 5213, 15639, 15769, 47307, 486413, 1459239, 6323369, 18970107]

約数ペア:

[(1, 18970107), (3, 6323369), (13, 1459239), (39, 486413), (401, 47307), (1203, 15769), (1213, 15639), (3639, 5213)]