19372719

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 27352080

約数和(自身を除く): 7979361

約数列:

[1, 3, 37, 53, 89, 111, 159, 267, 1369, 1961, 3293, 4107, 4717, 5883, 9879, 14151, 72557, 121841, 174529, 217671, 365523, 523587, 6457573, 19372719]

約数ペア:

[(1, 19372719), (3, 6457573), (37, 523587), (53, 365523), (89, 217671), (111, 174529), (159, 121841), (267, 72557), (1369, 14151), (1961, 9879), (3293, 5883), (4107, 4717)]