18883909551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2\times {\mathrm{61129}}^1$

素因数の和:61323

約数の個数: 24

約数和(自身を含む): 27423896080

約数和(自身を除く): 8539986529

約数列:

[1, 3, 13, 39, 89, 267, 1157, 3471, 7921, 23763, 61129, 102973, 183387, 308919, 794677, 2384031, 5440481, 16321443, 70726253, 212178759, 484202809, 1452608427, 6294636517, 18883909551]

約数ペア:

[(1, 18883909551), (3, 6294636517), (13, 1452608427), (39, 484202809), (89, 212178759), (267, 70726253), (1157, 16321443), (3471, 5440481), (7921, 2384031), (23763, 794677), (61129, 308919), (102973, 183387)]