19990731453

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{500231}}^1$

素因数の和:500425

約数の個数: 32

約数和(自身を含む): 33423501312

約数和(自身を除く): 13432769859

約数列:

[1, 3, 7, 11, 21, 33, 77, 173, 231, 519, 1211, 1903, 3633, 5709, 13321, 39963, 500231, 1500693, 3501617, 5502541, 10504851, 16507623, 38517787, 86539963, 115553361, 259619889, 605779741, 951939593, 1817339223, 2855818779, 6663577151, 19990731453]

約数ペア:

[(1, 19990731453), (3, 6663577151), (7, 2855818779), (11, 1817339223), (21, 951939593), (33, 605779741), (77, 259619889), (173, 115553361), (231, 86539963), (519, 38517787), (1211, 16507623), (1903, 10504851), (3633, 5502541), (5709, 3501617), (13321, 1500693), (39963, 500231)]