11997340

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1511}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 25274592

約数和(自身を除く): 13277252

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1511, 1588, 1985, 3022, 3970, 6044, 7555, 7940, 15110, 30220, 599867, 1199734, 2399468, 2999335, 5998670, 11997340]

約数ペア:

[(1, 11997340), (2, 5998670), (4, 2999335), (5, 2399468), (10, 1199734), (20, 599867), (397, 30220), (794, 15110), (1511, 7940), (1588, 7555), (1985, 6044), (3022, 3970)]