18885207

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{15467}}^1$

素因数の和:15518

約数の個数: 16

約数和(自身を含む): 28213632

約数和(自身を除く): 9328425

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 15467, 46401, 170137, 510411, 572279, 1716837, 6295069, 18885207]

約数ペア:

[(1, 18885207), (3, 6295069), (11, 1716837), (33, 572279), (37, 510411), (111, 170137), (407, 46401), (1221, 15467)]