19016361

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 35852544

約数和(自身を除く): 16836183

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 49, 63, 91, 93, 107, 117, 147, 217, 273, 279, 321, 403, 441, 637, 651, 749, 819, 963, 1209, 1391, 1519, 1911, 1953, 2247, 2821, 3317, 3627, 4173, 4557, 5243, 5733, 6741, 8463, 9737, 9951, 12519, 13671, 15729, 19747, 23219, 25389, 29211, 29853, 43121, 47187, 59241, 68159, 69657, 87633, 129363, 162533, 177723, 204477, 208971, 301847, 388089, 487599, 613431, 905541, 1462797, 2112929, 2716623, 6338787, 19016361]

約数ペア:

[(1, 19016361), (3, 6338787), (7, 2716623), (9, 2112929), (13, 1462797), (21, 905541), (31, 613431), (39, 487599), (49, 388089), (63, 301847), (91, 208971), (93, 204477), (107, 177723), (117, 162533), (147, 129363), (217, 87633), (273, 69657), (279, 68159), (321, 59241), (403, 47187), (441, 43121), (637, 29853), (651, 29211), (749, 25389), (819, 23219), (963, 19747), (1209, 15729), (1391, 13671), (1519, 12519), (1911, 9951), (1953, 9737), (2247, 8463), (2821, 6741), (3317, 5733), (3627, 5243), (4173, 4557)]