19962459

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{797}}^1$

素因数の和:848

約数の個数: 36

約数和(自身を含む): 33113808

約数和(自身を除く): 13151349

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 121, 207, 253, 363, 759, 797, 1089, 2277, 2391, 2783, 7173, 8349, 8767, 18331, 25047, 26301, 54993, 78903, 96437, 164979, 201641, 289311, 604923, 867933, 1814769, 2218051, 6654153, 19962459]

約数ペア:

[(1, 19962459), (3, 6654153), (9, 2218051), (11, 1814769), (23, 867933), (33, 604923), (69, 289311), (99, 201641), (121, 164979), (207, 96437), (253, 78903), (363, 54993), (759, 26301), (797, 25047), (1089, 18331), (2277, 8767), (2391, 8349), (2783, 7173)]