19203399

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{3001}}^1$

素因数の和:3092

約数の個数: 20

約数和(自身を含む): 29059360

約数和(自身を除く): 9855961

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 3001, 6399, 9003, 27009, 81027, 237079, 243081, 711237, 2133711, 6401133, 19203399]

約数ペア:

[(1, 19203399), (3, 6401133), (9, 2133711), (27, 711237), (79, 243081), (81, 237079), (237, 81027), (711, 27009), (2133, 9003), (3001, 6399)]