18600547

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 20

約数和(自身を含む): 22228736

約数和(自身を除く): 3628189

約数列:

[1, 7, 49, 61, 127, 343, 427, 889, 2401, 2989, 6223, 7747, 20923, 43561, 54229, 146461, 304927, 379603, 2657221, 18600547]

約数ペア:

[(1, 18600547), (7, 2657221), (49, 379603), (61, 304927), (127, 146461), (343, 54229), (427, 43561), (889, 20923), (2401, 7747), (2989, 6223)]