19010366980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1\times {\mathrm{1277}}^1$

素因数の和:1885

約数の個数: 96

約数和(自身を含む): 43964508672

約数和(自身を除く): 24954141692

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 431, 628, 785, 862, 1277, 1570, 1724, 1727, 2155, 2554, 3140, 3454, 4310, 4741, 5108, 6385, 6908, 8620, 8635, 9482, 12770, 14047, 17270, 18964, 23705, 25540, 28094, 34540, 47410, 56188, 67667, 70235, 94820, 135334, 140470, 200489, 270668, 280940, 338335, 400978, 550387, 676670, 744337, 801956, 1002445, 1100774, 1353340, 1488674, 2004890, 2201548, 2205379, 2751935, 2977348, 3721685, 4009780, 4410758, 5503870, 6054257, 7443370, 8821516, 11007740, 11026895, 12108514, 14886740, 22053790, 24217028, 30271285, 44107580, 60542570, 86410759, 121085140, 172821518, 345643036, 432053795, 864107590, 950518349, 1728215180, 1901036698, 3802073396, 4752591745, 9505183490, 19010366980]

約数ペア:

[(1, 19010366980), (2, 9505183490), (4, 4752591745), (5, 3802073396), (10, 1901036698), (11, 1728215180), (20, 950518349), (22, 864107590), (44, 432053795), (55, 345643036), (110, 172821518), (157, 121085140), (220, 86410759), (314, 60542570), (431, 44107580), (628, 30271285), (785, 24217028), (862, 22053790), (1277, 14886740), (1570, 12108514), (1724, 11026895), (1727, 11007740), (2155, 8821516), (2554, 7443370), (3140, 6054257), (3454, 5503870), (4310, 4410758), (4741, 4009780), (5108, 3721685), (6385, 2977348), (6908, 2751935), (8620, 2205379), (8635, 2201548), (9482, 2004890), (12770, 1488674), (14047, 1353340), (17270, 1100774), (18964, 1002445), (23705, 801956), (25540, 744337), (28094, 676670), (34540, 550387), (47410, 400978), (56188, 338335), (67667, 280940), (70235, 270668), (94820, 200489), (135334, 140470)]