18724354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 31648320

約数和(自身を除く): 12923966

約数列:

[1, 2, 11, 22, 73, 89, 131, 146, 178, 262, 803, 979, 1441, 1606, 1958, 2882, 6497, 9563, 11659, 12994, 19126, 23318, 71467, 105193, 128249, 142934, 210386, 256498, 851107, 1702214, 9362177, 18724354]

約数ペア:

[(1, 18724354), (2, 9362177), (11, 1702214), (22, 851107), (73, 256498), (89, 210386), (131, 142934), (146, 128249), (178, 105193), (262, 71467), (803, 23318), (979, 19126), (1441, 12994), (1606, 11659), (1958, 9563), (2882, 6497)]