19141640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 49680000

約数和(自身を除く): 30538360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 137, 140, 274, 280, 499, 548, 685, 959, 998, 1096, 1370, 1918, 1996, 2495, 2740, 3493, 3836, 3992, 4795, 4990, 5480, 6986, 7672, 9590, 9980, 13972, 17465, 19180, 19960, 27944, 34930, 38360, 68363, 69860, 136726, 139720, 273452, 341815, 478541, 546904, 683630, 957082, 1367260, 1914164, 2392705, 2734520, 3828328, 4785410, 9570820, 19141640]

約数ペア:

[(1, 19141640), (2, 9570820), (4, 4785410), (5, 3828328), (7, 2734520), (8, 2392705), (10, 1914164), (14, 1367260), (20, 957082), (28, 683630), (35, 546904), (40, 478541), (56, 341815), (70, 273452), (137, 139720), (140, 136726), (274, 69860), (280, 68363), (499, 38360), (548, 34930), (685, 27944), (959, 19960), (998, 19180), (1096, 17465), (1370, 13972), (1918, 9980), (1996, 9590), (2495, 7672), (2740, 6986), (3493, 5480), (3836, 4990), (3992, 4795)]