19391139

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{829}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 29521440

約数和(自身を除く): 10130301

約数列:

[1, 3, 9, 23, 69, 113, 207, 339, 829, 1017, 2487, 2599, 7461, 7797, 19067, 23391, 57201, 93677, 171603, 281031, 843093, 2154571, 6463713, 19391139]

約数ペア:

[(1, 19391139), (3, 6463713), (9, 2154571), (23, 843093), (69, 281031), (113, 171603), (207, 93677), (339, 57201), (829, 23391), (1017, 19067), (2487, 7797), (2599, 7461)]