18881644

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 34082048

約数和(自身を除く): 15200404

約数列:

[1, 2, 4, 43, 86, 151, 172, 302, 604, 727, 1454, 2908, 6493, 12986, 25972, 31261, 62522, 109777, 125044, 219554, 439108, 4720411, 9440822, 18881644]

約数ペア:

[(1, 18881644), (2, 9440822), (4, 4720411), (43, 439108), (86, 219554), (151, 125044), (172, 109777), (302, 62522), (604, 31261), (727, 25972), (1454, 12986), (2908, 6493)]