2019076180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{19403}}^1$

素因数の和:19477

約数の個数: 72

約数和(自身を含む): 4769192736

約数和(自身を除く): 2750116556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 121, 172, 215, 220, 242, 430, 473, 484, 605, 860, 946, 1210, 1892, 2365, 2420, 4730, 5203, 9460, 10406, 19403, 20812, 26015, 38806, 52030, 77612, 97015, 104060, 194030, 213433, 388060, 426866, 834329, 853732, 1067165, 1668658, 2134330, 2347763, 3337316, 4171645, 4268660, 4695526, 8343290, 9177619, 9391052, 11738815, 16686580, 18355238, 23477630, 36710476, 45888095, 46955260, 91776190, 100953809, 183552380, 201907618, 403815236, 504769045, 1009538090, 2019076180]

約数ペア:

[(1, 2019076180), (2, 1009538090), (4, 504769045), (5, 403815236), (10, 201907618), (11, 183552380), (20, 100953809), (22, 91776190), (43, 46955260), (44, 45888095), (55, 36710476), (86, 23477630), (110, 18355238), (121, 16686580), (172, 11738815), (215, 9391052), (220, 9177619), (242, 8343290), (430, 4695526), (473, 4268660), (484, 4171645), (605, 3337316), (860, 2347763), (946, 2134330), (1210, 1668658), (1892, 1067165), (2365, 853732), (2420, 834329), (4730, 426866), (5203, 388060), (9460, 213433), (10406, 194030), (19403, 104060), (20812, 97015), (26015, 77612), (38806, 52030)]