18897115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11701}}^1$

素因数の和:11742

約数の個数: 16

約数和(自身を含む): 25276320

約数和(自身を除く): 6379205

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 11701, 58505, 198917, 222319, 994585, 1111595, 3779423, 18897115]

約数ペア:

[(1, 18897115), (5, 3779423), (17, 1111595), (19, 994585), (85, 222319), (95, 198917), (323, 58505), (1615, 11701)]