18603728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 43497216

約数和(自身を除く): 24893488

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 47, 52, 88, 94, 104, 143, 173, 176, 188, 208, 286, 346, 376, 517, 572, 611, 692, 752, 1034, 1144, 1222, 1384, 1903, 2068, 2249, 2288, 2444, 2768, 3806, 4136, 4498, 4888, 6721, 7612, 8131, 8272, 8996, 9776, 13442, 15224, 16262, 17992, 24739, 26884, 30448, 32524, 35984, 49478, 53768, 65048, 89441, 98956, 105703, 107536, 130096, 178882, 197912, 211406, 357764, 395824, 422812, 715528, 845624, 1162733, 1431056, 1691248, 2325466, 4650932, 9301864, 18603728]

約数ペア:

[(1, 18603728), (2, 9301864), (4, 4650932), (8, 2325466), (11, 1691248), (13, 1431056), (16, 1162733), (22, 845624), (26, 715528), (44, 422812), (47, 395824), (52, 357764), (88, 211406), (94, 197912), (104, 178882), (143, 130096), (173, 107536), (176, 105703), (188, 98956), (208, 89441), (286, 65048), (346, 53768), (376, 49478), (517, 35984), (572, 32524), (611, 30448), (692, 26884), (752, 24739), (1034, 17992), (1144, 16262), (1222, 15224), (1384, 13442), (1903, 9776), (2068, 8996), (2249, 8272), (2288, 8131), (2444, 7612), (2768, 6721), (3806, 4888), (4136, 4498)]