55218256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{181639}}^1$

素因数の和:181666

約数の個数: 20

約数和(自身を含む): 112616800

約数和(自身を除く): 57398544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 181639, 363278, 726556, 1453112, 2906224, 3451141, 6902282, 13804564, 27609128, 55218256]

約数ペア:

[(1, 55218256), (2, 27609128), (4, 13804564), (8, 6902282), (16, 3451141), (19, 2906224), (38, 1453112), (76, 726556), (152, 363278), (304, 181639)]