19481805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2689}}^1$

素因数の和:2730

約数の個数: 48

約数和(自身を含む): 40285440

約数和(自身を除く): 20803635

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2689, 7245, 8067, 13445, 18823, 24201, 40335, 56469, 61847, 94115, 121005, 169407, 185541, 282345, 309235, 432929, 556623, 847035, 927705, 1298787, 2164645, 2783115, 3896361, 6493935, 19481805]

約数ペア:

[(1, 19481805), (3, 6493935), (5, 3896361), (7, 2783115), (9, 2164645), (15, 1298787), (21, 927705), (23, 847035), (35, 556623), (45, 432929), (63, 309235), (69, 282345), (105, 185541), (115, 169407), (161, 121005), (207, 94115), (315, 61847), (345, 56469), (483, 40335), (805, 24201), (1035, 18823), (1449, 13445), (2415, 8067), (2689, 7245)]