18489627

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1982

約数の個数: 28

約数和(自身を含む): 29869504

約数和(自身を除く): 11379877

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 1951, 3159, 5853, 9477, 17559, 25363, 52677, 76089, 158031, 228267, 474093, 684801, 1422279, 2054403, 6163209, 18489627]

約数ペア:

[(1, 18489627), (3, 6163209), (9, 2054403), (13, 1422279), (27, 684801), (39, 474093), (81, 228267), (117, 158031), (243, 76089), (351, 52677), (729, 25363), (1053, 17559), (1951, 9477), (3159, 5853)]