19114240

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 46541880

約数和(自身を除く): 27427640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 137, 160, 218, 256, 274, 320, 436, 545, 548, 640, 685, 872, 1090, 1096, 1280, 1370, 1744, 2180, 2192, 2740, 3488, 4360, 4384, 5480, 6976, 8720, 8768, 10960, 13952, 14933, 17440, 17536, 21920, 27904, 29866, 34880, 35072, 43840, 59732, 69760, 74665, 87680, 119464, 139520, 149330, 175360, 238928, 298660, 477856, 597320, 955712, 1194640, 1911424, 2389280, 3822848, 4778560, 9557120, 19114240]

約数ペア:

[(1, 19114240), (2, 9557120), (4, 4778560), (5, 3822848), (8, 2389280), (10, 1911424), (16, 1194640), (20, 955712), (32, 597320), (40, 477856), (64, 298660), (80, 238928), (109, 175360), (128, 149330), (137, 139520), (160, 119464), (218, 87680), (256, 74665), (274, 69760), (320, 59732), (436, 43840), (545, 35072), (548, 34880), (640, 29866), (685, 27904), (872, 21920), (1090, 17536), (1096, 17440), (1280, 14933), (1370, 13952), (1744, 10960), (2180, 8768), (2192, 8720), (2740, 6976), (3488, 5480), (4360, 4384)]