18689856

素因数分解:

$2^6\times 3^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:639

約数の個数: 56

約数和(自身を含む): 49767744

約数和(自身を除く): 31077888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 311, 313, 622, 626, 933, 939, 1244, 1252, 1866, 1878, 2488, 2504, 3732, 3756, 4976, 5008, 7464, 7512, 9952, 10016, 14928, 15024, 19904, 20032, 29856, 30048, 59712, 60096, 97343, 194686, 292029, 389372, 584058, 778744, 1168116, 1557488, 2336232, 3114976, 4672464, 6229952, 9344928, 18689856]

約数ペア:

[(1, 18689856), (2, 9344928), (3, 6229952), (4, 4672464), (6, 3114976), (8, 2336232), (12, 1557488), (16, 1168116), (24, 778744), (32, 584058), (48, 389372), (64, 292029), (96, 194686), (192, 97343), (311, 60096), (313, 59712), (622, 30048), (626, 29856), (933, 20032), (939, 19904), (1244, 15024), (1252, 14928), (1866, 10016), (1878, 9952), (2488, 7512), (2504, 7464), (3732, 5008), (3756, 4976)]