18940713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{6449}}^1$

素因数の和:6552

約数の個数: 16

約数和(自身を含む): 27864000

約数和(自身を除く): 8923287

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 6449, 19347, 70939, 212817, 573961, 1721883, 6313571, 18940713]

約数ペア:

[(1, 18940713), (3, 6313571), (11, 1721883), (33, 573961), (89, 212817), (267, 70939), (979, 19347), (2937, 6449)]