18944505

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2137}}^1$

素因数の和:2345

約数の個数: 24

約数和(自身を含む): 33019272

約数和(自身を除く): 14074767

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2137, 2955, 6411, 8865, 10685, 19233, 32055, 96165, 420989, 1262967, 2104945, 3788901, 6314835, 18944505]

約数ペア:

[(1, 18944505), (3, 6314835), (5, 3788901), (9, 2104945), (15, 1262967), (45, 420989), (197, 96165), (591, 32055), (985, 19233), (1773, 10685), (2137, 8865), (2955, 6411)]