19903102

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{1223}}^1$

素因数の和:1407

約数の個数: 16

約数和(自身を含む): 30551040

約数和(自身を除く): 10647938

約数列:

[1, 2, 79, 103, 158, 206, 1223, 2446, 8137, 16274, 96617, 125969, 193234, 251938, 9951551, 19903102]

約数ペア:

[(1, 19903102), (2, 9951551), (79, 251938), (103, 193234), (158, 125969), (206, 96617), (1223, 16274), (2446, 8137)]