19749495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1889}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 14542665

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 1889, 2091, 3485, 5667, 9445, 10455, 28335, 32113, 77449, 96339, 160565, 232347, 387245, 481695, 1161735, 1316633, 3949899, 6583165, 19749495]

約数ペア:

[(1, 19749495), (3, 6583165), (5, 3949899), (15, 1316633), (17, 1161735), (41, 481695), (51, 387245), (85, 232347), (123, 160565), (205, 96339), (255, 77449), (615, 32113), (697, 28335), (1889, 10455), (2091, 9445), (3485, 5667)]