18586978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1543}}^1$

素因数の和:1881

約数の個数: 16

約数和(自身を含む): 29459520

約数和(自身を除く): 10872542

約数列:

[1, 2, 19, 38, 317, 634, 1543, 3086, 6023, 12046, 29317, 58634, 489131, 978262, 9293489, 18586978]

約数ペア:

[(1, 18586978), (2, 9293489), (19, 978262), (38, 489131), (317, 58634), (634, 29317), (1543, 12046), (3086, 6023)]