18079720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3559}}^1$

素因数の和:3697

約数の個数: 32

約数和(自身を含む): 41011200

約数和(自身を除く): 22931480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3559, 5080, 7118, 14236, 17795, 28472, 35590, 71180, 142360, 451993, 903986, 1807972, 2259965, 3615944, 4519930, 9039860, 18079720]

約数ペア:

[(1, 18079720), (2, 9039860), (4, 4519930), (5, 3615944), (8, 2259965), (10, 1807972), (20, 903986), (40, 451993), (127, 142360), (254, 71180), (508, 35590), (635, 28472), (1016, 17795), (1270, 14236), (2540, 7118), (3559, 5080)]