19986336

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{2393}}^1$

素因数の和:2438

約数の個数: 72

約数和(自身を含む): 58820580

約数和(自身を除く): 38834244

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 87, 96, 116, 144, 174, 232, 261, 288, 348, 464, 522, 696, 928, 1044, 1392, 2088, 2393, 2784, 4176, 4786, 7179, 8352, 9572, 14358, 19144, 21537, 28716, 38288, 43074, 57432, 69397, 76576, 86148, 114864, 138794, 172296, 208191, 229728, 277588, 344592, 416382, 555176, 624573, 689184, 832764, 1110352, 1249146, 1665528, 2220704, 2498292, 3331056, 4996584, 6662112, 9993168, 19986336]

約数ペア:

[(1, 19986336), (2, 9993168), (3, 6662112), (4, 4996584), (6, 3331056), (8, 2498292), (9, 2220704), (12, 1665528), (16, 1249146), (18, 1110352), (24, 832764), (29, 689184), (32, 624573), (36, 555176), (48, 416382), (58, 344592), (72, 277588), (87, 229728), (96, 208191), (116, 172296), (144, 138794), (174, 114864), (232, 86148), (261, 76576), (288, 69397), (348, 57432), (464, 43074), (522, 38288), (696, 28716), (928, 21537), (1044, 19144), (1392, 14358), (2088, 9572), (2393, 8352), (2784, 7179), (4176, 4786)]