18905668

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{919}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 34260800

約数和(自身を除く): 15355132

約数列:

[1, 2, 4, 37, 74, 139, 148, 278, 556, 919, 1838, 3676, 5143, 10286, 20572, 34003, 68006, 127741, 136012, 255482, 510964, 4726417, 9452834, 18905668]

約数ペア:

[(1, 18905668), (2, 9452834), (4, 4726417), (37, 510964), (74, 255482), (139, 136012), (148, 127741), (278, 68006), (556, 34003), (919, 20572), (1838, 10286), (3676, 5143)]