18550458

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{2663}}^1$

素因数の和:2720

約数の個数: 40

約数和(自身を含む): 42549408

約数和(自身を除く): 23998950

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 258, 387, 774, 1161, 2322, 2663, 3483, 5326, 6966, 7989, 15978, 23967, 47934, 71901, 114509, 143802, 215703, 229018, 343527, 431406, 687054, 1030581, 2061162, 3091743, 6183486, 9275229, 18550458]

約数ペア:

[(1, 18550458), (2, 9275229), (3, 6183486), (6, 3091743), (9, 2061162), (18, 1030581), (27, 687054), (43, 431406), (54, 343527), (81, 229018), (86, 215703), (129, 143802), (162, 114509), (258, 71901), (387, 47934), (774, 23967), (1161, 15978), (2322, 7989), (2663, 6966), (3483, 5326)]