18689385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8713}}^1$

素因数の和:8745

約数の個数: 32

約数和(自身を含む): 35134848

約数和(自身を除く): 16445463

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 8713, 26139, 43565, 95843, 113269, 130695, 287529, 339807, 479215, 566345, 1245959, 1437645, 1699035, 3737877, 6229795, 18689385]

約数ペア:

[(1, 18689385), (3, 6229795), (5, 3737877), (11, 1699035), (13, 1437645), (15, 1245959), (33, 566345), (39, 479215), (55, 339807), (65, 287529), (143, 130695), (165, 113269), (195, 95843), (429, 43565), (715, 26139), (2145, 8713)]