18940983

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{991}}^1$

素因数の和:1294

約数の個数: 16

約数和(自身を含む): 26474496

約数和(自身を除く): 7533513

約数列:

[1, 3, 23, 69, 277, 831, 991, 2973, 6371, 19113, 22793, 68379, 274507, 823521, 6313661, 18940983]

約数ペア:

[(1, 18940983), (3, 6313661), (23, 823521), (69, 274507), (277, 68379), (831, 22793), (991, 19113), (2973, 6371)]