18555165

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 33611760

約数和(自身を除く): 15056595

約数列:

[1, 3, 5, 9, 15, 41, 45, 89, 113, 123, 205, 267, 339, 369, 445, 565, 615, 801, 1017, 1335, 1695, 1845, 3649, 4005, 4633, 5085, 10057, 10947, 13899, 18245, 23165, 30171, 32841, 41697, 50285, 54735, 69495, 90513, 150855, 164205, 208485, 412337, 452565, 1237011, 2061685, 3711033, 6185055, 18555165]

約数ペア:

[(1, 18555165), (3, 6185055), (5, 3711033), (9, 2061685), (15, 1237011), (41, 452565), (45, 412337), (89, 208485), (113, 164205), (123, 150855), (205, 90513), (267, 69495), (339, 54735), (369, 50285), (445, 41697), (565, 32841), (615, 30171), (801, 23165), (1017, 18245), (1335, 13899), (1695, 10947), (1845, 10057), (3649, 5085), (4005, 4633)]