18584080

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{997}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 43436952

約数和(自身を除く): 24852872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 997, 1165, 1864, 1994, 2330, 3728, 3988, 4660, 4985, 7976, 9320, 9970, 15952, 18640, 19940, 39880, 79760, 232301, 464602, 929204, 1161505, 1858408, 2323010, 3716816, 4646020, 9292040, 18584080]

約数ペア:

[(1, 18584080), (2, 9292040), (4, 4646020), (5, 3716816), (8, 2323010), (10, 1858408), (16, 1161505), (20, 929204), (40, 464602), (80, 232301), (233, 79760), (466, 39880), (932, 19940), (997, 18640), (1165, 15952), (1864, 9970), (1994, 9320), (2330, 7976), (3728, 4985), (3988, 4660)]