19996233

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 29538432

約数和(自身を除く): 9542199

約数列:

[1, 3, 17, 41, 51, 73, 123, 131, 219, 393, 697, 1241, 2091, 2227, 2993, 3723, 5371, 6681, 8979, 9563, 16113, 28689, 50881, 91307, 152643, 162571, 273921, 392083, 487713, 1176249, 6665411, 19996233]

約数ペア:

[(1, 19996233), (3, 6665411), (17, 1176249), (41, 487713), (51, 392083), (73, 273921), (123, 162571), (131, 152643), (219, 91307), (393, 50881), (697, 28689), (1241, 16113), (2091, 9563), (2227, 8979), (2993, 6681), (3723, 5371)]