19961073

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 33349536

約数和(自身を除く): 13388463

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 297, 387, 473, 521, 891, 1161, 1419, 1563, 3483, 4257, 4689, 5731, 12771, 14067, 17193, 22403, 38313, 42201, 51579, 67209, 154737, 201627, 246433, 464211, 604881, 739299, 1814643, 2217897, 6653691, 19961073]

約数ペア:

[(1, 19961073), (3, 6653691), (9, 2217897), (11, 1814643), (27, 739299), (33, 604881), (43, 464211), (81, 246433), (99, 201627), (129, 154737), (297, 67209), (387, 51579), (473, 42201), (521, 38313), (891, 22403), (1161, 17193), (1419, 14067), (1563, 12771), (3483, 5731), (4257, 4689)]