18732465

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2011}}^1$

素因数の和:2051

約数の個数: 40

約数和(自身を含む): 35057088

約数和(自身を除く): 16324623

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 2011, 3105, 6033, 9315, 10055, 18099, 30165, 46253, 54297, 90495, 138759, 162891, 231265, 271485, 416277, 693795, 814455, 1248831, 2081385, 3746493, 6244155, 18732465]

約数ペア:

[(1, 18732465), (3, 6244155), (5, 3746493), (9, 2081385), (15, 1248831), (23, 814455), (27, 693795), (45, 416277), (69, 271485), (81, 231265), (115, 162891), (135, 138759), (207, 90495), (345, 54297), (405, 46253), (621, 30165), (1035, 18099), (1863, 10055), (2011, 9315), (3105, 6033)]