19764385

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 24258384

約数和(自身を除く): 4493999

約数列:

[1, 5, 73, 173, 313, 365, 865, 1565, 12629, 22849, 54149, 63145, 114245, 270745, 3952877, 19764385]

約数ペア:

[(1, 19764385), (5, 3952877), (73, 270745), (173, 114245), (313, 63145), (365, 54149), (865, 22849), (1565, 12629)]