18343760

素因数分解:

$2^4\times 5^1\times {\mathrm{467}}^1\times {\mathrm{491}}^1$

素因数の和:971

約数の個数: 40

約数和(自身を含む): 42827616

約数和(自身を除く): 24483856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 467, 491, 934, 982, 1868, 1964, 2335, 2455, 3736, 3928, 4670, 4910, 7472, 7856, 9340, 9820, 18680, 19640, 37360, 39280, 229297, 458594, 917188, 1146485, 1834376, 2292970, 3668752, 4585940, 9171880, 18343760]

約数ペア:

[(1, 18343760), (2, 9171880), (4, 4585940), (5, 3668752), (8, 2292970), (10, 1834376), (16, 1146485), (20, 917188), (40, 458594), (80, 229297), (467, 39280), (491, 37360), (934, 19640), (982, 18680), (1868, 9820), (1964, 9340), (2335, 7856), (2455, 7472), (3736, 4910), (3928, 4670)]