18939906

素因数分解:

$2^1\times 3^5\times {\mathrm{38971}}^1$

素因数の和:38988

約数の個数: 24

約数和(自身を含む): 42557424

約数和(自身を除く): 23617518

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 38971, 77942, 116913, 233826, 350739, 701478, 1052217, 2104434, 3156651, 6313302, 9469953, 18939906]

約数ペア:

[(1, 18939906), (2, 9469953), (3, 6313302), (6, 3156651), (9, 2104434), (18, 1052217), (27, 701478), (54, 350739), (81, 233826), (162, 116913), (243, 77942), (486, 38971)]