19015641

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 40

約数和(自身を含む): 30317760

約数和(自身を除く): 11302119

約数列:

[1, 3, 9, 23, 27, 59, 69, 81, 173, 177, 207, 519, 531, 621, 1357, 1557, 1593, 1863, 3979, 4071, 4671, 4779, 10207, 11937, 12213, 14013, 30621, 35811, 36639, 91863, 107433, 109917, 234761, 275589, 322299, 704283, 826767, 2112849, 6338547, 19015641]

約数ペア:

[(1, 19015641), (3, 6338547), (9, 2112849), (23, 826767), (27, 704283), (59, 322299), (69, 275589), (81, 234761), (173, 109917), (177, 107433), (207, 91863), (519, 36639), (531, 35811), (621, 30621), (1357, 14013), (1557, 12213), (1593, 11937), (1863, 10207), (3979, 4779), (4071, 4671)]