2019802180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{834629}}^1$

素因数の和:834660

約数の個数: 36

約数和(自身を含む): 4662243180

約数和(自身を除く): 2642441000

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 834629, 1669258, 3338516, 4173145, 8346290, 9180919, 16692580, 18361838, 36723676, 45904595, 91809190, 100990109, 183618380, 201980218, 403960436, 504950545, 1009901090, 2019802180]

約数ペア:

[(1, 2019802180), (2, 1009901090), (4, 504950545), (5, 403960436), (10, 201980218), (11, 183618380), (20, 100990109), (22, 91809190), (44, 45904595), (55, 36723676), (110, 18361838), (121, 16692580), (220, 9180919), (242, 8346290), (484, 4173145), (605, 3338516), (1210, 1669258), (2420, 834629)]