19645778877

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^2\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 27999848448

約数和(自身を除く): 8354069571

約数列:

[1, 3, 23, 59, 69, 177, 263, 311, 789, 933, 1357, 3481, 4071, 6049, 7153, 10443, 15517, 18147, 18349, 21459, 46551, 55047, 80063, 81793, 240189, 245379, 356891, 422027, 915503, 1070673, 1082591, 1266081, 1881239, 2746509, 3247773, 4825787, 5643717, 14477361, 21056569, 24899593, 63169707, 74698779, 110993101, 284721433, 332979303, 854164299, 6548592959, 19645778877]

約数ペア:

[(1, 19645778877), (3, 6548592959), (23, 854164299), (59, 332979303), (69, 284721433), (177, 110993101), (263, 74698779), (311, 63169707), (789, 24899593), (933, 21056569), (1357, 14477361), (3481, 5643717), (4071, 4825787), (6049, 3247773), (7153, 2746509), (10443, 1881239), (15517, 1266081), (18147, 1082591), (18349, 1070673), (21459, 915503), (46551, 422027), (55047, 356891), (80063, 245379), (81793, 240189)]