18791391

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{9391}}^1$

素因数の和:9446

約数の個数: 16

約数和(自身を含む): 27048960

約数和(自身を除く): 8257569

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 9391, 28173, 215993, 272339, 647979, 817017, 6263797, 18791391]

約数ペア:

[(1, 18791391), (3, 6263797), (23, 817017), (29, 647979), (69, 272339), (87, 215993), (667, 28173), (2001, 9391)]