19905798

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2767}}^1$

素因数の和:2892

約数の個数: 32

約数和(自身を含む): 43845120

約数和(自身を除く): 23939322

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 109, 218, 327, 654, 1199, 2398, 2767, 3597, 5534, 7194, 8301, 16602, 30437, 60874, 91311, 182622, 301603, 603206, 904809, 1809618, 3317633, 6635266, 9952899, 19905798]

約数ペア:

[(1, 19905798), (2, 9952899), (3, 6635266), (6, 3317633), (11, 1809618), (22, 904809), (33, 603206), (66, 301603), (109, 182622), (218, 91311), (327, 60874), (654, 30437), (1199, 16602), (2398, 8301), (2767, 7194), (3597, 5534)]