19918386

素因数分解:

$2^1\times 3^4\times {\mathrm{122953}}^1$

素因数の和:122967

約数の個数: 20

約数和(自身を含む): 44632302

約数和(自身を除く): 24713916

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 122953, 245906, 368859, 737718, 1106577, 2213154, 3319731, 6639462, 9959193, 19918386]

約数ペア:

[(1, 19918386), (2, 9959193), (3, 6639462), (6, 3319731), (9, 2213154), (18, 1106577), (27, 737718), (54, 368859), (81, 245906), (162, 122953)]