19958136

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4447}}^1$

素因数の和:4484

約数の個数: 64

約数和(自身を含む): 57646080

約数和(自身を除く): 37687944

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4447, 4488, 8894, 13341, 17788, 26682, 35576, 48917, 53364, 75599, 97834, 106728, 146751, 151198, 195668, 226797, 293502, 302396, 391336, 453594, 587004, 604792, 831589, 907188, 1174008, 1663178, 1814376, 2494767, 3326356, 4989534, 6652712, 9979068, 19958136]

約数ペア:

[(1, 19958136), (2, 9979068), (3, 6652712), (4, 4989534), (6, 3326356), (8, 2494767), (11, 1814376), (12, 1663178), (17, 1174008), (22, 907188), (24, 831589), (33, 604792), (34, 587004), (44, 453594), (51, 391336), (66, 302396), (68, 293502), (88, 226797), (102, 195668), (132, 151198), (136, 146751), (187, 106728), (204, 97834), (264, 75599), (374, 53364), (408, 48917), (561, 35576), (748, 26682), (1122, 17788), (1496, 13341), (2244, 8894), (4447, 4488)]