18178188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^2$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 51109632

約数和(自身を除く): 32931444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 97, 138, 161, 194, 276, 291, 322, 388, 483, 582, 644, 679, 966, 1164, 1358, 1932, 2037, 2231, 2716, 4074, 4462, 6693, 8148, 8924, 9409, 13386, 15617, 18818, 26772, 28227, 31234, 37636, 46851, 56454, 62468, 65863, 93702, 112908, 131726, 187404, 197589, 216407, 263452, 395178, 432814, 649221, 790356, 865628, 1298442, 1514849, 2596884, 3029698, 4544547, 6059396, 9089094, 18178188]

約数ペア:

[(1, 18178188), (2, 9089094), (3, 6059396), (4, 4544547), (6, 3029698), (7, 2596884), (12, 1514849), (14, 1298442), (21, 865628), (23, 790356), (28, 649221), (42, 432814), (46, 395178), (69, 263452), (84, 216407), (92, 197589), (97, 187404), (138, 131726), (161, 112908), (194, 93702), (276, 65863), (291, 62468), (322, 56454), (388, 46851), (483, 37636), (582, 31234), (644, 28227), (679, 26772), (966, 18818), (1164, 15617), (1358, 13386), (1932, 9409), (2037, 8924), (2231, 8148), (2716, 6693), (4074, 4462)]