18158896

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2221}}^1$

素因数の和:2309

約数の個数: 40

約数和(自身を含む): 40778144

約数和(自身を除く): 22619248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 2221, 4088, 4442, 8176, 8884, 15547, 17768, 31094, 35536, 62188, 124376, 162133, 248752, 324266, 648532, 1134931, 1297064, 2269862, 2594128, 4539724, 9079448, 18158896]

約数ペア:

[(1, 18158896), (2, 9079448), (4, 4539724), (7, 2594128), (8, 2269862), (14, 1297064), (16, 1134931), (28, 648532), (56, 324266), (73, 248752), (112, 162133), (146, 124376), (292, 62188), (511, 35536), (584, 31094), (1022, 17768), (1168, 15547), (2044, 8884), (2221, 8176), (4088, 4442)]