2019964340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{105097}}^1$

素因数の和:105168

約数の個数: 36

約数和(自身を含む): 4383217188

約数和(自身を除く): 2363252848

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 19220, 105097, 210194, 420388, 525485, 1050970, 2101940, 3258007, 6516014, 13032028, 16290035, 32580070, 65160140, 100998217, 201996434, 403992868, 504991085, 1009982170, 2019964340]

約数ペア:

[(1, 2019964340), (2, 1009982170), (4, 504991085), (5, 403992868), (10, 201996434), (20, 100998217), (31, 65160140), (62, 32580070), (124, 16290035), (155, 13032028), (310, 6516014), (620, 3258007), (961, 2101940), (1922, 1050970), (3844, 525485), (4805, 420388), (9610, 210194), (19220, 105097)]