18231808

素因数分解:

$2^9\times 7^1\times {\mathrm{5087}}^1$

素因数の和:5112

約数の個数: 40

約数和(自身を含む): 41640192

約数和(自身を除く): 23408384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5087, 10174, 20348, 35609, 40696, 71218, 81392, 142436, 162784, 284872, 325568, 569744, 651136, 1139488, 1302272, 2278976, 2604544, 4557952, 9115904, 18231808]

約数ペア:

[(1, 18231808), (2, 9115904), (4, 4557952), (7, 2604544), (8, 2278976), (14, 1302272), (16, 1139488), (28, 651136), (32, 569744), (56, 325568), (64, 284872), (112, 162784), (128, 142436), (224, 81392), (256, 71218), (448, 40696), (512, 35609), (896, 20348), (1792, 10174), (3584, 5087)]