19051347

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 31600800

約数和(自身を除く): 12549453

約数列:

[1, 3, 7, 21, 29, 41, 49, 87, 109, 123, 147, 203, 287, 327, 609, 763, 861, 1189, 1421, 2009, 2289, 3161, 3567, 4263, 4469, 5341, 6027, 8323, 9483, 13407, 16023, 22127, 24969, 31283, 58261, 66381, 93849, 129601, 154889, 174783, 218981, 388803, 464667, 656943, 907207, 2721621, 6350449, 19051347]

約数ペア:

[(1, 19051347), (3, 6350449), (7, 2721621), (21, 907207), (29, 656943), (41, 464667), (49, 388803), (87, 218981), (109, 174783), (123, 154889), (147, 129601), (203, 93849), (287, 66381), (327, 58261), (609, 31283), (763, 24969), (861, 22127), (1189, 16023), (1421, 13407), (2009, 9483), (2289, 8323), (3161, 6027), (3567, 5341), (4263, 4469)]