19492425

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2113}}^1$

素因数の和:2170

約数の個数: 36

約数和(自身を含む): 35781564

約数和(自身を除く): 16289139

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 2113, 3075, 6339, 9225, 10565, 19017, 31695, 52825, 86633, 95085, 158475, 259899, 433165, 475425, 779697, 1299495, 2165825, 3898485, 6497475, 19492425]

約数ペア:

[(1, 19492425), (3, 6497475), (5, 3898485), (9, 2165825), (15, 1299495), (25, 779697), (41, 475425), (45, 433165), (75, 259899), (123, 158475), (205, 95085), (225, 86633), (369, 52825), (615, 31695), (1025, 19017), (1845, 10565), (2113, 9225), (3075, 6339)]