19401753

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29803}}^1$

素因数の和:29844

約数の個数: 16

約数和(自身を含む): 30519296

約数和(自身を除く): 11117543

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 29803, 89409, 208621, 625863, 923893, 2771679, 6467251, 19401753]

約数ペア:

[(1, 19401753), (3, 6467251), (7, 2771679), (21, 923893), (31, 625863), (93, 208621), (217, 89409), (651, 29803)]