18737686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1949}}^1$

素因数の和:2004

約数の個数: 32

約数和(自身を含む): 33696000

約数和(自身を除く): 14958314

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 1949, 3898, 4807, 9614, 21439, 37031, 42878, 44827, 74062, 89654, 407341, 493097, 814682, 851713, 986194, 1703426, 9368843, 18737686]

約数ペア:

[(1, 18737686), (2, 9368843), (11, 1703426), (19, 986194), (22, 851713), (23, 814682), (38, 493097), (46, 407341), (209, 89654), (253, 74062), (418, 44827), (437, 42878), (506, 37031), (874, 21439), (1949, 9614), (3898, 4807)]