18894871

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 20754144

約数和(自身を除く): 1859273

約数列:

[1, 17, 53, 67, 313, 901, 1139, 3551, 5321, 16589, 20971, 60367, 282013, 356507, 1111463, 18894871]

約数ペア:

[(1, 18894871), (17, 1111463), (53, 356507), (67, 282013), (313, 60367), (901, 20971), (1139, 16589), (3551, 5321)]