19489968

素因数分解:

$2^4\times 3^2\times {\mathrm{135347}}^1$

素因数の和:135361

約数の個数: 30

約数和(自身を含む): 54545244

約数和(自身を除く): 35055276

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 135347, 270694, 406041, 541388, 812082, 1082776, 1218123, 1624164, 2165552, 2436246, 3248328, 4872492, 6496656, 9744984, 19489968]

約数ペア:

[(1, 19489968), (2, 9744984), (3, 6496656), (4, 4872492), (6, 3248328), (8, 2436246), (9, 2165552), (12, 1624164), (16, 1218123), (18, 1082776), (24, 812082), (36, 541388), (48, 406041), (72, 270694), (144, 135347)]