18139712

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 56

約数和(自身を含む): 38234112

約数和(自身を除く): 20094400

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 164, 223, 248, 328, 446, 496, 656, 892, 992, 1271, 1312, 1784, 1984, 2542, 2624, 3568, 5084, 6913, 7136, 9143, 10168, 13826, 14272, 18286, 20336, 27652, 36572, 40672, 55304, 73144, 81344, 110608, 146288, 221216, 283433, 292576, 442432, 566866, 585152, 1133732, 2267464, 4534928, 9069856, 18139712]

約数ペア:

[(1, 18139712), (2, 9069856), (4, 4534928), (8, 2267464), (16, 1133732), (31, 585152), (32, 566866), (41, 442432), (62, 292576), (64, 283433), (82, 221216), (124, 146288), (164, 110608), (223, 81344), (248, 73144), (328, 55304), (446, 40672), (496, 36572), (656, 27652), (892, 20336), (992, 18286), (1271, 14272), (1312, 13826), (1784, 10168), (1984, 9143), (2542, 7136), (2624, 6913), (3568, 5084)]