9991340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26293}}^1$

素因数の和:26321

約数の個数: 24

約数和(自身を含む): 22086960

約数和(自身を除く): 12095620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 26293, 52586, 105172, 131465, 262930, 499567, 525860, 999134, 1998268, 2497835, 4995670, 9991340]

約数ペア:

[(1, 9991340), (2, 4995670), (4, 2497835), (5, 1998268), (10, 999134), (19, 525860), (20, 499567), (38, 262930), (76, 131465), (95, 105172), (190, 52586), (380, 26293)]