19496709

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{971}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 29719872

約数和(自身を除く): 10223163

約数列:

[1, 3, 9, 23, 69, 97, 207, 291, 873, 971, 2231, 2913, 6693, 8739, 20079, 22333, 66999, 94187, 200997, 282561, 847683, 2166301, 6498903, 19496709]

約数ペア:

[(1, 19496709), (3, 6498903), (9, 2166301), (23, 847683), (69, 282561), (97, 200997), (207, 94187), (291, 66999), (873, 22333), (971, 20079), (2231, 8739), (2913, 6693)]