19690110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19889}}^1$

素因数の和:19913

約数の個数: 48

約数和(自身を含む): 55851120

約数和(自身を除く): 36161010

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 19889, 39778, 59667, 99445, 119334, 179001, 198890, 218779, 298335, 358002, 437558, 596670, 656337, 895005, 1093895, 1312674, 1790010, 1969011, 2187790, 3281685, 3938022, 6563370, 9845055, 19690110]

約数ペア:

[(1, 19690110), (2, 9845055), (3, 6563370), (5, 3938022), (6, 3281685), (9, 2187790), (10, 1969011), (11, 1790010), (15, 1312674), (18, 1093895), (22, 895005), (30, 656337), (33, 596670), (45, 437558), (55, 358002), (66, 298335), (90, 218779), (99, 198890), (110, 179001), (165, 119334), (198, 99445), (330, 59667), (495, 39778), (990, 19889)]