19469720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4549}}^1$

素因数の和:4667

約数の個数: 32

約数和(自身を含む): 44226000

約数和(自身を除く): 24756280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 4549, 9098, 18196, 22745, 36392, 45490, 90980, 181960, 486743, 973486, 1946972, 2433715, 3893944, 4867430, 9734860, 19469720]

約数ペア:

[(1, 19469720), (2, 9734860), (4, 4867430), (5, 3893944), (8, 2433715), (10, 1946972), (20, 973486), (40, 486743), (107, 181960), (214, 90980), (428, 45490), (535, 36392), (856, 22745), (1070, 18196), (2140, 9098), (4280, 4549)]