19962075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 38568960

約数和(自身を除く): 18606885

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 75, 105, 141, 175, 235, 329, 525, 705, 809, 987, 1175, 1645, 2427, 3525, 4045, 4935, 5663, 8225, 12135, 16989, 20225, 24675, 28315, 38023, 60675, 84945, 114069, 141575, 190115, 266161, 424725, 570345, 798483, 950575, 1330805, 2851725, 3992415, 6654025, 19962075]

約数ペア:

[(1, 19962075), (3, 6654025), (5, 3992415), (7, 2851725), (15, 1330805), (21, 950575), (25, 798483), (35, 570345), (47, 424725), (75, 266161), (105, 190115), (141, 141575), (175, 114069), (235, 84945), (329, 60675), (525, 38023), (705, 28315), (809, 24675), (987, 20225), (1175, 16989), (1645, 12135), (2427, 8225), (3525, 5663), (4045, 4935)]