2019905865

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{54941}}^1$

素因数の和:55014

約数の個数: 48

約数和(自身を含む): 3771218880

約数和(自身を除く): 1751313015

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 817, 855, 1935, 2451, 4085, 7353, 12255, 36765, 54941, 164823, 274705, 494469, 824115, 1043879, 2362463, 2472345, 3131637, 5219395, 7087389, 9394911, 11812315, 15658185, 21262167, 35436945, 44886797, 46974555, 106310835, 134660391, 224433985, 403981173, 673301955, 2019905865]

約数ペア:

[(1, 2019905865), (3, 673301955), (5, 403981173), (9, 224433985), (15, 134660391), (19, 106310835), (43, 46974555), (45, 44886797), (57, 35436945), (95, 21262167), (129, 15658185), (171, 11812315), (215, 9394911), (285, 7087389), (387, 5219395), (645, 3131637), (817, 2472345), (855, 2362463), (1935, 1043879), (2451, 824115), (4085, 494469), (7353, 274705), (12255, 164823), (36765, 54941)]