19196781

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1367}}^1$

素因数の和:1552

約数の個数: 16

約数和(自身を含む): 26615808

約数和(自身を除く): 7419027

約数列:

[1, 3, 31, 93, 151, 453, 1367, 4101, 4681, 14043, 42377, 127131, 206417, 619251, 6398927, 19196781]

約数ペア:

[(1, 19196781), (3, 6398927), (31, 619251), (93, 206417), (151, 127131), (453, 42377), (1367, 14043), (4101, 4681)]