18975105

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5939}}^1$

素因数の和:6021

約数の個数: 24

約数和(自身を含む): 33359040

約数和(自身を除く): 14383935

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5939, 17817, 29695, 53451, 89085, 267255, 421669, 1265007, 2108345, 3795021, 6325035, 18975105]

約数ペア:

[(1, 18975105), (3, 6325035), (5, 3795021), (9, 2108345), (15, 1265007), (45, 421669), (71, 267255), (213, 89085), (355, 53451), (639, 29695), (1065, 17817), (3195, 5939)]