18885996

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{2663}}^1$

素因数の和:2870

約数の個数: 36

約数和(自身を含む): 47999952

約数和(自身を除く): 29113956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 2663, 3546, 5326, 7092, 7989, 10652, 15978, 23967, 31956, 47934, 95868, 524611, 1049222, 1573833, 2098444, 3147666, 4721499, 6295332, 9442998, 18885996]

約数ペア:

[(1, 18885996), (2, 9442998), (3, 6295332), (4, 4721499), (6, 3147666), (9, 2098444), (12, 1573833), (18, 1049222), (36, 524611), (197, 95868), (394, 47934), (591, 31956), (788, 23967), (1182, 15978), (1773, 10652), (2364, 7989), (2663, 7092), (3546, 5326)]