19866112

素因数分解:

$2^9\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:289

約数の個数: 80

約数和(自身を含む): 47532672

約数和(自身を除く): 27666560

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 241, 256, 322, 368, 448, 482, 512, 644, 736, 896, 964, 1288, 1472, 1687, 1792, 1928, 2576, 2944, 3374, 3584, 3856, 5152, 5543, 5888, 6748, 7712, 10304, 11086, 11776, 13496, 15424, 20608, 22172, 26992, 30848, 38801, 41216, 44344, 53984, 61696, 77602, 82432, 88688, 107968, 123392, 155204, 177376, 215936, 310408, 354752, 431872, 620816, 709504, 863744, 1241632, 1419008, 2483264, 2838016, 4966528, 9933056, 19866112]

約数ペア:

[(1, 19866112), (2, 9933056), (4, 4966528), (7, 2838016), (8, 2483264), (14, 1419008), (16, 1241632), (23, 863744), (28, 709504), (32, 620816), (46, 431872), (56, 354752), (64, 310408), (92, 215936), (112, 177376), (128, 155204), (161, 123392), (184, 107968), (224, 88688), (241, 82432), (256, 77602), (322, 61696), (368, 53984), (448, 44344), (482, 41216), (512, 38801), (644, 30848), (736, 26992), (896, 22172), (964, 20608), (1288, 15424), (1472, 13496), (1687, 11776), (1792, 11086), (1928, 10304), (2576, 7712), (2944, 6748), (3374, 5888), (3584, 5543), (3856, 5152)]