18948834816

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{397951}}^1$

素因数の和:398003

約数の個数: 80

約数和(自身を含む): 52109426688

約数和(自身を除く): 33160591872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 744, 768, 992, 1488, 1536, 1984, 2976, 3968, 5952, 7936, 11904, 15872, 23808, 47616, 397951, 795902, 1193853, 1591804, 2387706, 3183608, 4775412, 6367216, 9550824, 12336481, 12734432, 19101648, 24672962, 25468864, 37009443, 38203296, 49345924, 50937728, 74018886, 76406592, 98691848, 101875456, 148037772, 152813184, 197383696, 203750912, 296075544, 305626368, 394767392, 592151088, 611252736, 789534784, 1184302176, 1579069568, 2368604352, 3158139136, 4737208704, 6316278272, 9474417408, 18948834816]

約数ペア:

[(1, 18948834816), (2, 9474417408), (3, 6316278272), (4, 4737208704), (6, 3158139136), (8, 2368604352), (12, 1579069568), (16, 1184302176), (24, 789534784), (31, 611252736), (32, 592151088), (48, 394767392), (62, 305626368), (64, 296075544), (93, 203750912), (96, 197383696), (124, 152813184), (128, 148037772), (186, 101875456), (192, 98691848), (248, 76406592), (256, 74018886), (372, 50937728), (384, 49345924), (496, 38203296), (512, 37009443), (744, 25468864), (768, 24672962), (992, 19101648), (1488, 12734432), (1536, 12336481), (1984, 9550824), (2976, 6367216), (3968, 4775412), (5952, 3183608), (7936, 2387706), (11904, 1591804), (15872, 1193853), (23808, 795902), (47616, 397951)]