19661691

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2267}}^1$

素因数の和:2343

約数の個数: 24

約数和(自身を含む): 31026240

約数和(自身を除く): 11364549

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2267, 2891, 6801, 8673, 15869, 47607, 111083, 133753, 333249, 401259, 936271, 2808813, 6553897, 19661691]

約数ペア:

[(1, 19661691), (3, 6553897), (7, 2808813), (21, 936271), (49, 401259), (59, 333249), (147, 133753), (177, 111083), (413, 47607), (1239, 15869), (2267, 8673), (2891, 6801)]