19556802

素因数分解:

$2^1\times 3^4\times {\mathrm{120721}}^1$

素因数の和:120735

約数の個数: 20

約数和(自身を含む): 43822086

約数和(自身を除く): 24265284

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 120721, 241442, 362163, 724326, 1086489, 2172978, 3259467, 6518934, 9778401, 19556802]

約数ペア:

[(1, 19556802), (2, 9778401), (3, 6518934), (6, 3259467), (9, 2172978), (18, 1086489), (27, 724326), (54, 362163), (81, 241442), (162, 120721)]