19151440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3109}}^1$

素因数の和:3140

約数の個数: 80

約数和(自身を含む): 55532160

約数和(自身を除く): 36380720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 3109, 6160, 6218, 12436, 15545, 21763, 24872, 31090, 34199, 43526, 49744, 62180, 68398, 87052, 108815, 124360, 136796, 170995, 174104, 217630, 239393, 248720, 273592, 341990, 348208, 435260, 478786, 547184, 683980, 870520, 957572, 1196965, 1367960, 1741040, 1915144, 2393930, 2735920, 3830288, 4787860, 9575720, 19151440]

約数ペア:

[(1, 19151440), (2, 9575720), (4, 4787860), (5, 3830288), (7, 2735920), (8, 2393930), (10, 1915144), (11, 1741040), (14, 1367960), (16, 1196965), (20, 957572), (22, 870520), (28, 683980), (35, 547184), (40, 478786), (44, 435260), (55, 348208), (56, 341990), (70, 273592), (77, 248720), (80, 239393), (88, 217630), (110, 174104), (112, 170995), (140, 136796), (154, 124360), (176, 108815), (220, 87052), (280, 68398), (308, 62180), (385, 49744), (440, 43526), (560, 34199), (616, 31090), (770, 24872), (880, 21763), (1232, 15545), (1540, 12436), (3080, 6218), (3109, 6160)]