19710816

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 35446944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 79, 92, 96, 113, 138, 158, 184, 226, 237, 276, 316, 339, 368, 452, 474, 552, 632, 678, 736, 904, 948, 1104, 1264, 1356, 1808, 1817, 1896, 2208, 2528, 2599, 2712, 3616, 3634, 3792, 5198, 5424, 5451, 7268, 7584, 7797, 8927, 10396, 10848, 10902, 14536, 15594, 17854, 20792, 21804, 26781, 29072, 31188, 35708, 41584, 43608, 53562, 58144, 62376, 71416, 83168, 87216, 107124, 124752, 142832, 174432, 205321, 214248, 249504, 285664, 410642, 428496, 615963, 821284, 856992, 1231926, 1642568, 2463852, 3285136, 4927704, 6570272, 9855408, 19710816]

約数ペア:

[(1, 19710816), (2, 9855408), (3, 6570272), (4, 4927704), (6, 3285136), (8, 2463852), (12, 1642568), (16, 1231926), (23, 856992), (24, 821284), (32, 615963), (46, 428496), (48, 410642), (69, 285664), (79, 249504), (92, 214248), (96, 205321), (113, 174432), (138, 142832), (158, 124752), (184, 107124), (226, 87216), (237, 83168), (276, 71416), (316, 62376), (339, 58144), (368, 53562), (452, 43608), (474, 41584), (552, 35708), (632, 31188), (678, 29072), (736, 26781), (904, 21804), (948, 20792), (1104, 17854), (1264, 15594), (1356, 14536), (1808, 10902), (1817, 10848), (1896, 10396), (2208, 8927), (2528, 7797), (2599, 7584), (2712, 7268), (3616, 5451), (3634, 5424), (3792, 5198)]