19929339

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2311

約数の個数: 24

約数和(自身を含む): 30750720

約数和(自身を除く): 10821381

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2239, 2967, 6717, 8901, 20151, 51497, 96277, 154491, 288831, 463473, 866493, 2214371, 6643113, 19929339]

約数ペア:

[(1, 19929339), (3, 6643113), (9, 2214371), (23, 866493), (43, 463473), (69, 288831), (129, 154491), (207, 96277), (387, 51497), (989, 20151), (2239, 8901), (2967, 6717)]