19015803

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7573}}^1$

素因数の和:7616

約数の個数: 20

約数和(自身を含む): 29326528

約数和(自身を除く): 10310725

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7573, 22719, 68157, 204471, 234763, 613413, 704289, 2112867, 6338601, 19015803]

約数ペア:

[(1, 19015803), (3, 6338601), (9, 2112867), (27, 704289), (31, 613413), (81, 234763), (93, 204471), (279, 68157), (837, 22719), (2511, 7573)]