18665695

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3306

約数の個数: 16

約数和(自身を含む): 23971680

約数和(自身を除く): 5305985

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3221, 5795, 16105, 61199, 196481, 305995, 982405, 3733139, 18665695]

約数ペア:

[(1, 18665695), (5, 3733139), (19, 982405), (61, 305995), (95, 196481), (305, 61199), (1159, 16105), (3221, 5795)]