19643008

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1993}}^1$

素因数の和:2025

約数の個数: 64

約数和(自身を含む): 48813120

約数和(自身を除く): 29170112

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 308, 352, 448, 616, 704, 896, 1232, 1408, 1993, 2464, 3986, 4928, 7972, 9856, 13951, 15944, 21923, 27902, 31888, 43846, 55804, 63776, 87692, 111608, 127552, 153461, 175384, 223216, 255104, 306922, 350768, 446432, 613844, 701536, 892864, 1227688, 1403072, 1785728, 2455376, 2806144, 4910752, 9821504, 19643008]

約数ペア:

[(1, 19643008), (2, 9821504), (4, 4910752), (7, 2806144), (8, 2455376), (11, 1785728), (14, 1403072), (16, 1227688), (22, 892864), (28, 701536), (32, 613844), (44, 446432), (56, 350768), (64, 306922), (77, 255104), (88, 223216), (112, 175384), (128, 153461), (154, 127552), (176, 111608), (224, 87692), (308, 63776), (352, 55804), (448, 43846), (616, 31888), (704, 27902), (896, 21923), (1232, 15944), (1408, 13951), (1993, 9856), (2464, 7972), (3986, 4928)]