18523780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84199}}^1$

素因数の和:84219

約数の個数: 24

約数和(自身を含む): 42436800

約数和(自身を除く): 23913020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84199, 168398, 336796, 420995, 841990, 926189, 1683980, 1852378, 3704756, 4630945, 9261890, 18523780]

約数ペア:

[(1, 18523780), (2, 9261890), (4, 4630945), (5, 3704756), (10, 1852378), (11, 1683980), (20, 926189), (22, 841990), (44, 420995), (55, 336796), (110, 168398), (220, 84199)]