18907824

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 53211872

約数和(自身を除く): 34304048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 157, 193, 208, 312, 314, 386, 471, 579, 624, 628, 772, 942, 1158, 1256, 1544, 1884, 2041, 2316, 2509, 2512, 3088, 3768, 4082, 4632, 5018, 6123, 7527, 7536, 8164, 9264, 10036, 12246, 15054, 16328, 20072, 24492, 30108, 30301, 32656, 40144, 48984, 60216, 60602, 90903, 97968, 120432, 121204, 181806, 242408, 363612, 393913, 484816, 727224, 787826, 1181739, 1454448, 1575652, 2363478, 3151304, 4726956, 6302608, 9453912, 18907824]

約数ペア:

[(1, 18907824), (2, 9453912), (3, 6302608), (4, 4726956), (6, 3151304), (8, 2363478), (12, 1575652), (13, 1454448), (16, 1181739), (24, 787826), (26, 727224), (39, 484816), (48, 393913), (52, 363612), (78, 242408), (104, 181806), (156, 121204), (157, 120432), (193, 97968), (208, 90903), (312, 60602), (314, 60216), (386, 48984), (471, 40144), (579, 32656), (624, 30301), (628, 30108), (772, 24492), (942, 20072), (1158, 16328), (1256, 15054), (1544, 12246), (1884, 10036), (2041, 9264), (2316, 8164), (2509, 7536), (2512, 7527), (3088, 6123), (3768, 5018), (4082, 4632)]