18941397

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{1231}}^1$

素因数の和:1480

約数の個数: 16

約数和(自身を含む): 26492928

約数和(自身を除く): 7551531

約数列:

[1, 3, 23, 69, 223, 669, 1231, 3693, 5129, 15387, 28313, 84939, 274513, 823539, 6313799, 18941397]

約数ペア:

[(1, 18941397), (3, 6313799), (23, 823539), (69, 274513), (223, 84939), (669, 28313), (1231, 15387), (3693, 5129)]