18166784

素因数分解:

$2^{10}\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 44

約数和(自身を含む): 36870564

約数和(自身を除く): 18703780

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 157, 226, 256, 314, 452, 512, 628, 904, 1024, 1256, 1808, 2512, 3616, 5024, 7232, 10048, 14464, 17741, 20096, 28928, 35482, 40192, 57856, 70964, 80384, 115712, 141928, 160768, 283856, 567712, 1135424, 2270848, 4541696, 9083392, 18166784]

約数ペア:

[(1, 18166784), (2, 9083392), (4, 4541696), (8, 2270848), (16, 1135424), (32, 567712), (64, 283856), (113, 160768), (128, 141928), (157, 115712), (226, 80384), (256, 70964), (314, 57856), (452, 40192), (512, 35482), (628, 28928), (904, 20096), (1024, 17741), (1256, 14464), (1808, 10048), (2512, 7232), (3616, 5024)]