19768756

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{349}}^1$

素因数の和:401

約数の個数: 54

約数和(自身を含む): 42872550

約数和(自身を除く): 23103794

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 238, 289, 349, 476, 578, 698, 833, 1156, 1396, 1666, 2023, 2443, 3332, 4046, 4886, 5933, 8092, 9772, 11866, 14161, 17101, 23732, 28322, 34202, 41531, 56644, 68404, 83062, 100861, 166124, 201722, 290717, 403444, 581434, 706027, 1162868, 1412054, 2824108, 4942189, 9884378, 19768756]

約数ペア:

[(1, 19768756), (2, 9884378), (4, 4942189), (7, 2824108), (14, 1412054), (17, 1162868), (28, 706027), (34, 581434), (49, 403444), (68, 290717), (98, 201722), (119, 166124), (196, 100861), (238, 83062), (289, 68404), (349, 56644), (476, 41531), (578, 34202), (698, 28322), (833, 23732), (1156, 17101), (1396, 14161), (1666, 11866), (2023, 9772), (2443, 8092), (3332, 5933), (4046, 4886)]