19490903

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:398

約数の個数: 16

約数和(自身を含む): 21248640

約数和(自身を除く): 1757737

約数列:

[1, 19, 61, 67, 251, 1159, 1273, 4087, 4769, 15311, 16817, 77653, 290909, 319523, 1025837, 19490903]

約数ペア:

[(1, 19490903), (19, 1025837), (61, 319523), (67, 290909), (251, 77653), (1159, 16817), (1273, 15311), (4087, 4769)]