19788927

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{479}}^1$

素因数の和:822

約数の個数: 16

約数和(自身を含む): 27095040

約数和(自身を除く): 7306113

約数列:

[1, 3, 47, 141, 293, 479, 879, 1437, 13771, 22513, 41313, 67539, 140347, 421041, 6596309, 19788927]

約数ペア:

[(1, 19788927), (3, 6596309), (47, 421041), (141, 140347), (293, 67539), (479, 41313), (879, 22513), (1437, 13771)]