19072161

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 28664064

約数和(自身を除く): 9591903

約数列:

[1, 3, 9, 31, 93, 197, 279, 347, 591, 1041, 1773, 3123, 6107, 10757, 18321, 32271, 54963, 68359, 96813, 205077, 615231, 2119129, 6357387, 19072161]

約数ペア:

[(1, 19072161), (3, 6357387), (9, 2119129), (31, 615231), (93, 205077), (197, 96813), (279, 68359), (347, 54963), (591, 32271), (1041, 18321), (1773, 10757), (3123, 6107)]