17968655

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:514

約数の個数: 16

約数和(自身を含む): 22032000

約数和(自身を除く): 4063345

約数列:

[1, 5, 89, 149, 271, 445, 745, 1355, 13261, 24119, 40379, 66305, 120595, 201895, 3593731, 17968655]

約数ペア:

[(1, 17968655), (5, 3593731), (89, 201895), (149, 120595), (271, 66305), (445, 40379), (745, 24119), (1355, 13261)]