18802760

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1697}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 42483960

約数和(自身を除く): 23681200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 1697, 2216, 2770, 3394, 5540, 6788, 8485, 11080, 13576, 16970, 33940, 67880, 470069, 940138, 1880276, 2350345, 3760552, 4700690, 9401380, 18802760]

約数ペア:

[(1, 18802760), (2, 9401380), (4, 4700690), (5, 3760552), (8, 2350345), (10, 1880276), (20, 940138), (40, 470069), (277, 67880), (554, 33940), (1108, 16970), (1385, 13576), (1697, 11080), (2216, 8485), (2770, 6788), (3394, 5540)]