13891945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 17640000

約数和(自身を除く): 3748055

約数列:

[1, 5, 19, 95, 349, 419, 1745, 2095, 6631, 7961, 33155, 39805, 146231, 731155, 2778389, 13891945]

約数ペア:

[(1, 13891945), (5, 2778389), (19, 731155), (95, 146231), (349, 39805), (419, 33155), (1745, 7961), (2095, 6631)]