19212578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1709}}^1$

素因数の和:1802

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 17230942

約数列:

[1, 2, 7, 11, 14, 22, 73, 77, 146, 154, 511, 803, 1022, 1606, 1709, 3418, 5621, 11242, 11963, 18799, 23926, 37598, 124757, 131593, 249514, 263186, 873299, 1372327, 1746598, 2744654, 9606289, 19212578]

約数ペア:

[(1, 19212578), (2, 9606289), (7, 2744654), (11, 1746598), (14, 1372327), (22, 873299), (73, 263186), (77, 249514), (146, 131593), (154, 124757), (511, 37598), (803, 23926), (1022, 18799), (1606, 11963), (1709, 11242), (3418, 5621)]