19949796

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 52972920

約数和(自身を除く): 33023124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 97, 116, 174, 194, 197, 261, 291, 348, 388, 394, 522, 582, 591, 788, 873, 1044, 1164, 1182, 1746, 1773, 2364, 2813, 3492, 3546, 5626, 5713, 7092, 8439, 11252, 11426, 16878, 17139, 19109, 22852, 25317, 33756, 34278, 38218, 50634, 51417, 57327, 68556, 76436, 101268, 102834, 114654, 171981, 205668, 229308, 343962, 554161, 687924, 1108322, 1662483, 2216644, 3324966, 4987449, 6649932, 9974898, 19949796]

約数ペア:

[(1, 19949796), (2, 9974898), (3, 6649932), (4, 4987449), (6, 3324966), (9, 2216644), (12, 1662483), (18, 1108322), (29, 687924), (36, 554161), (58, 343962), (87, 229308), (97, 205668), (116, 171981), (174, 114654), (194, 102834), (197, 101268), (261, 76436), (291, 68556), (348, 57327), (388, 51417), (394, 50634), (522, 38218), (582, 34278), (591, 33756), (788, 25317), (873, 22852), (1044, 19109), (1164, 17139), (1182, 16878), (1746, 11426), (1773, 11252), (2364, 8439), (2813, 7092), (3492, 5713), (3546, 5626)]