19990014

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{839}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 46085760

約数和(自身を除く): 26095746

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 361, 418, 627, 722, 839, 1083, 1254, 1678, 2166, 2517, 3971, 5034, 7942, 9229, 11913, 15941, 18458, 23826, 27687, 31882, 47823, 55374, 95646, 175351, 302879, 350702, 526053, 605758, 908637, 1052106, 1817274, 3331669, 6663338, 9995007, 19990014]

約数ペア:

[(1, 19990014), (2, 9995007), (3, 6663338), (6, 3331669), (11, 1817274), (19, 1052106), (22, 908637), (33, 605758), (38, 526053), (57, 350702), (66, 302879), (114, 175351), (209, 95646), (361, 55374), (418, 47823), (627, 31882), (722, 27687), (839, 23826), (1083, 18458), (1254, 15941), (1678, 11913), (2166, 9229), (2517, 7942), (3971, 5034)]