12843620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 28842240

約数和(自身を除く): 15998620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 463, 730, 926, 1387, 1460, 1852, 2315, 2774, 4630, 5548, 6935, 8797, 9260, 13870, 17594, 27740, 33799, 35188, 43985, 67598, 87970, 135196, 168995, 175940, 337990, 642181, 675980, 1284362, 2568724, 3210905, 6421810, 12843620]

約数ペア:

[(1, 12843620), (2, 6421810), (4, 3210905), (5, 2568724), (10, 1284362), (19, 675980), (20, 642181), (38, 337990), (73, 175940), (76, 168995), (95, 135196), (146, 87970), (190, 67598), (292, 43985), (365, 35188), (380, 33799), (463, 27740), (730, 17594), (926, 13870), (1387, 9260), (1460, 8797), (1852, 6935), (2315, 5548), (2774, 4630)]