19251080

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1997}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 43516440

約数和(自身を除く): 24265360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 1997, 2410, 3994, 4820, 7988, 9640, 9985, 15976, 19970, 39940, 79880, 481277, 962554, 1925108, 2406385, 3850216, 4812770, 9625540, 19251080]

約数ペア:

[(1, 19251080), (2, 9625540), (4, 4812770), (5, 3850216), (8, 2406385), (10, 1925108), (20, 962554), (40, 481277), (241, 79880), (482, 39940), (964, 19970), (1205, 15976), (1928, 9985), (1997, 9640), (2410, 7988), (3994, 4820)]