20185942

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 38208240

約数和(自身を除く): 18022298

約数列:

[1, 2, 7, 14, 19, 37, 38, 49, 74, 98, 133, 259, 266, 293, 518, 586, 703, 931, 1406, 1813, 1862, 2051, 3626, 4102, 4921, 5567, 9842, 10841, 11134, 14357, 21682, 28714, 34447, 38969, 68894, 75887, 77938, 151774, 205979, 272783, 411958, 531209, 545566, 1062418, 1441853, 2883706, 10092971, 20185942]

約数ペア:

[(1, 20185942), (2, 10092971), (7, 2883706), (14, 1441853), (19, 1062418), (37, 545566), (38, 531209), (49, 411958), (74, 272783), (98, 205979), (133, 151774), (259, 77938), (266, 75887), (293, 68894), (518, 38969), (586, 34447), (703, 28714), (931, 21682), (1406, 14357), (1813, 11134), (1862, 10841), (2051, 9842), (3626, 5567), (4102, 4921)]