19869912

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 56609280

約数和(自身を除く): 36739368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 53, 72, 82, 106, 123, 127, 159, 164, 212, 246, 254, 318, 328, 369, 381, 424, 477, 492, 508, 636, 738, 762, 954, 984, 1016, 1143, 1272, 1476, 1524, 1908, 2173, 2286, 2952, 3048, 3816, 4346, 4572, 5207, 6519, 6731, 8692, 9144, 10414, 13038, 13462, 15621, 17384, 19557, 20193, 20828, 26076, 26924, 31242, 39114, 40386, 41656, 46863, 52152, 53848, 60579, 62484, 78228, 80772, 93726, 121158, 124968, 156456, 161544, 187452, 242316, 275971, 374904, 484632, 551942, 827913, 1103884, 1655826, 2207768, 2483739, 3311652, 4967478, 6623304, 9934956, 19869912]

約数ペア:

[(1, 19869912), (2, 9934956), (3, 6623304), (4, 4967478), (6, 3311652), (8, 2483739), (9, 2207768), (12, 1655826), (18, 1103884), (24, 827913), (36, 551942), (41, 484632), (53, 374904), (72, 275971), (82, 242316), (106, 187452), (123, 161544), (127, 156456), (159, 124968), (164, 121158), (212, 93726), (246, 80772), (254, 78228), (318, 62484), (328, 60579), (369, 53848), (381, 52152), (424, 46863), (477, 41656), (492, 40386), (508, 39114), (636, 31242), (738, 26924), (762, 26076), (954, 20828), (984, 20193), (1016, 19557), (1143, 17384), (1272, 15621), (1476, 13462), (1524, 13038), (1908, 10414), (2173, 9144), (2286, 8692), (2952, 6731), (3048, 6519), (3816, 5207), (4346, 4572)]