19550280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{827}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 59019840

約数和(自身を除く): 39469560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 788, 827, 985, 1182, 1576, 1654, 1970, 2364, 2481, 2955, 3308, 3940, 4135, 4728, 4962, 5910, 6616, 7880, 8270, 9924, 11820, 12405, 16540, 19848, 23640, 24810, 33080, 49620, 99240, 162919, 325838, 488757, 651676, 814595, 977514, 1303352, 1629190, 1955028, 2443785, 3258380, 3910056, 4887570, 6516760, 9775140, 19550280]

約数ペア:

[(1, 19550280), (2, 9775140), (3, 6516760), (4, 4887570), (5, 3910056), (6, 3258380), (8, 2443785), (10, 1955028), (12, 1629190), (15, 1303352), (20, 977514), (24, 814595), (30, 651676), (40, 488757), (60, 325838), (120, 162919), (197, 99240), (394, 49620), (591, 33080), (788, 24810), (827, 23640), (985, 19848), (1182, 16540), (1576, 12405), (1654, 11820), (1970, 9924), (2364, 8270), (2481, 7880), (2955, 6616), (3308, 5910), (3940, 4962), (4135, 4728)]