18399040

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5227}}^1$

素因数の和:5255

約数の個数: 56

約数和(自身を含む): 47804832

約数和(自身を除く): 29405792

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5227, 10454, 20908, 26135, 41816, 52270, 57497, 83632, 104540, 114994, 167264, 209080, 229988, 287485, 334528, 418160, 459976, 574970, 836320, 919952, 1149940, 1672640, 1839904, 2299880, 3679808, 4599760, 9199520, 18399040]

約数ペア:

[(1, 18399040), (2, 9199520), (4, 4599760), (5, 3679808), (8, 2299880), (10, 1839904), (11, 1672640), (16, 1149940), (20, 919952), (22, 836320), (32, 574970), (40, 459976), (44, 418160), (55, 334528), (64, 287485), (80, 229988), (88, 209080), (110, 167264), (160, 114994), (176, 104540), (220, 83632), (320, 57497), (352, 52270), (440, 41816), (704, 26135), (880, 20908), (1760, 10454), (3520, 5227)]