19943924

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 49787136

約数和(自身を除く): 29843212

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 68, 77, 91, 119, 143, 154, 182, 187, 221, 238, 286, 293, 308, 364, 374, 442, 476, 572, 586, 748, 884, 1001, 1172, 1309, 1547, 2002, 2051, 2431, 2618, 3094, 3223, 3809, 4004, 4102, 4862, 4981, 5236, 6188, 6446, 7618, 8204, 9724, 9962, 12892, 15236, 17017, 19924, 22561, 26663, 34034, 34867, 41899, 45122, 53326, 54791, 64753, 68068, 69734, 83798, 90244, 106652, 109582, 129506, 139468, 167596, 219164, 259012, 293293, 383537, 453271, 586586, 712283, 767074, 906542, 1173172, 1424566, 1534148, 1813084, 2849132, 4985981, 9971962, 19943924]

約数ペア:

[(1, 19943924), (2, 9971962), (4, 4985981), (7, 2849132), (11, 1813084), (13, 1534148), (14, 1424566), (17, 1173172), (22, 906542), (26, 767074), (28, 712283), (34, 586586), (44, 453271), (52, 383537), (68, 293293), (77, 259012), (91, 219164), (119, 167596), (143, 139468), (154, 129506), (182, 109582), (187, 106652), (221, 90244), (238, 83798), (286, 69734), (293, 68068), (308, 64753), (364, 54791), (374, 53326), (442, 45122), (476, 41899), (572, 34867), (586, 34034), (748, 26663), (884, 22561), (1001, 19924), (1172, 17017), (1309, 15236), (1547, 12892), (2002, 9962), (2051, 9724), (2431, 8204), (2618, 7618), (3094, 6446), (3223, 6188), (3809, 5236), (4004, 4981), (4102, 4862)]