18171945

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4079}}^1$

素因数の和:4107

約数の個数: 40

約数和(自身を含む): 35544960

約数和(自身を除く): 17373015

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4079, 4455, 12237, 20395, 36711, 44869, 61185, 110133, 134607, 183555, 224345, 330399, 403821, 550665, 673035, 1211463, 1651995, 2019105, 3634389, 6057315, 18171945]

約数ペア:

[(1, 18171945), (3, 6057315), (5, 3634389), (9, 2019105), (11, 1651995), (15, 1211463), (27, 673035), (33, 550665), (45, 403821), (55, 330399), (81, 224345), (99, 183555), (135, 134607), (165, 110133), (297, 61185), (405, 44869), (495, 36711), (891, 20395), (1485, 12237), (4079, 4455)]