19900166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4093}}^1$

素因数の和:4136

約数の個数: 32

約数和(自身を含む): 37140768

約数和(自身を除く): 17240602

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 2431, 4093, 4862, 8186, 45023, 53209, 69581, 90046, 106418, 139162, 585299, 765391, 904553, 1170598, 1530782, 1809106, 9950083, 19900166]

約数ペア:

[(1, 19900166), (2, 9950083), (11, 1809106), (13, 1530782), (17, 1170598), (22, 904553), (26, 765391), (34, 585299), (143, 139162), (187, 106418), (221, 90046), (286, 69581), (374, 53209), (442, 45023), (2431, 8186), (4093, 4862)]