18118016

素因数分解:

$2^7\times 7^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 64

約数和(自身を含む): 41966880

約数和(自身を除く): 23848864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 224, 277, 292, 448, 511, 554, 584, 896, 1022, 1108, 1168, 1939, 2044, 2216, 2336, 3878, 4088, 4432, 4672, 7756, 8176, 8864, 9344, 15512, 16352, 17728, 20221, 31024, 32704, 35456, 40442, 62048, 65408, 80884, 124096, 141547, 161768, 248192, 283094, 323536, 566188, 647072, 1132376, 1294144, 2264752, 2588288, 4529504, 9059008, 18118016]

約数ペア:

[(1, 18118016), (2, 9059008), (4, 4529504), (7, 2588288), (8, 2264752), (14, 1294144), (16, 1132376), (28, 647072), (32, 566188), (56, 323536), (64, 283094), (73, 248192), (112, 161768), (128, 141547), (146, 124096), (224, 80884), (277, 65408), (292, 62048), (448, 40442), (511, 35456), (554, 32704), (584, 31024), (896, 20221), (1022, 17728), (1108, 16352), (1168, 15512), (1939, 9344), (2044, 8864), (2216, 8176), (2336, 7756), (3878, 4672), (4088, 4432)]