19723419

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5939}}^1$

素因数の和:5992

約数の個数: 20

約数和(自身を含む): 30187080

約数和(自身を除く): 10463661

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5939, 17817, 53451, 160353, 243499, 481059, 730497, 2191491, 6574473, 19723419]

約数ペア:

[(1, 19723419), (3, 6574473), (9, 2191491), (27, 730497), (41, 481059), (81, 243499), (123, 160353), (369, 53451), (1107, 17817), (3321, 5939)]