18710889728

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{601}}^1\times {\mathrm{3923}}^1$

素因数の和:4571

約数の個数: 72

約数和(自身を含む): 38627479296

約数和(自身を除く): 19916589568

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 601, 992, 1202, 1984, 2404, 3923, 3968, 4808, 7846, 7936, 9616, 15692, 18631, 19232, 31384, 37262, 38464, 62768, 74524, 76928, 121613, 125536, 149048, 153856, 243226, 251072, 298096, 486452, 502144, 596192, 972904, 1004288, 1192384, 1945808, 2357723, 2384768, 3891616, 4715446, 4769536, 7783232, 9430892, 15566464, 18861784, 31132928, 37723568, 73089413, 75447136, 146178826, 150894272, 292357652, 301788544, 584715304, 603577088, 1169430608, 2338861216, 4677722432, 9355444864, 18710889728]

約数ペア:

[(1, 18710889728), (2, 9355444864), (4, 4677722432), (8, 2338861216), (16, 1169430608), (31, 603577088), (32, 584715304), (62, 301788544), (64, 292357652), (124, 150894272), (128, 146178826), (248, 75447136), (256, 73089413), (496, 37723568), (601, 31132928), (992, 18861784), (1202, 15566464), (1984, 9430892), (2404, 7783232), (3923, 4769536), (3968, 4715446), (4808, 3891616), (7846, 2384768), (7936, 2357723), (9616, 1945808), (15692, 1192384), (18631, 1004288), (19232, 972904), (31384, 596192), (37262, 502144), (38464, 486452), (62768, 298096), (74524, 251072), (76928, 243226), (121613, 153856), (125536, 149048)]