18385004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 37691136

約数和(自身を除く): 19306132

約数列:

[1, 2, 4, 11, 22, 23, 37, 44, 46, 74, 92, 148, 253, 407, 491, 506, 814, 851, 982, 1012, 1628, 1702, 1964, 3404, 5401, 9361, 10802, 11293, 18167, 18722, 21604, 22586, 36334, 37444, 45172, 72668, 124223, 199837, 248446, 399674, 417841, 496892, 799348, 835682, 1671364, 4596251, 9192502, 18385004]

約数ペア:

[(1, 18385004), (2, 9192502), (4, 4596251), (11, 1671364), (22, 835682), (23, 799348), (37, 496892), (44, 417841), (46, 399674), (74, 248446), (92, 199837), (148, 124223), (253, 72668), (407, 45172), (491, 37444), (506, 36334), (814, 22586), (851, 21604), (982, 18722), (1012, 18167), (1628, 11293), (1702, 10802), (1964, 9361), (3404, 5401)]