18490807816

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{127819}}^1$

素因数の和:127958

約数の個数: 48

約数和(自身を含む): 37893517200

約数和(自身を除く): 19402709384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 169, 214, 338, 428, 676, 856, 1352, 1391, 2782, 5564, 11128, 18083, 36166, 72332, 127819, 144664, 255638, 511276, 1022552, 1661647, 3323294, 6646588, 13293176, 13676633, 21601411, 27353266, 43202822, 54706532, 86405644, 109413064, 172811288, 177796229, 355592458, 711184916, 1422369832, 2311350977, 4622701954, 9245403908, 18490807816]

約数ペア:

[(1, 18490807816), (2, 9245403908), (4, 4622701954), (8, 2311350977), (13, 1422369832), (26, 711184916), (52, 355592458), (104, 177796229), (107, 172811288), (169, 109413064), (214, 86405644), (338, 54706532), (428, 43202822), (676, 27353266), (856, 21601411), (1352, 13676633), (1391, 13293176), (2782, 6646588), (5564, 3323294), (11128, 1661647), (18083, 1022552), (36166, 511276), (72332, 255638), (127819, 144664)]