18909696

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:981

約数の個数: 80

約数和(自身を含む): 54309024

約数和(自身を除く): 35399328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 947, 1248, 1536, 1664, 1894, 2496, 2841, 3328, 3788, 4992, 5682, 6656, 7576, 9984, 11364, 12311, 15152, 19968, 22728, 24622, 30304, 36933, 45456, 49244, 60608, 73866, 90912, 98488, 121216, 147732, 181824, 196976, 242432, 295464, 363648, 393952, 484864, 590928, 727296, 787904, 1181856, 1454592, 1575808, 2363712, 3151616, 4727424, 6303232, 9454848, 18909696]

約数ペア:

[(1, 18909696), (2, 9454848), (3, 6303232), (4, 4727424), (6, 3151616), (8, 2363712), (12, 1575808), (13, 1454592), (16, 1181856), (24, 787904), (26, 727296), (32, 590928), (39, 484864), (48, 393952), (52, 363648), (64, 295464), (78, 242432), (96, 196976), (104, 181824), (128, 147732), (156, 121216), (192, 98488), (208, 90912), (256, 73866), (312, 60608), (384, 49244), (416, 45456), (512, 36933), (624, 30304), (768, 24622), (832, 22728), (947, 19968), (1248, 15152), (1536, 12311), (1664, 11364), (1894, 9984), (2496, 7576), (2841, 6656), (3328, 5682), (3788, 4992)]