19724885824

素因数分解:

$2^6\times 7^1\times {\mathrm{61}}^1\times {\mathrm{721783}}^1$

素因数の和:721863

約数の個数: 56

約数和(自身を含む): 45466617728

約数和(自身を除く): 25741731904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 224, 244, 427, 448, 488, 854, 976, 1708, 1952, 3416, 3904, 6832, 13664, 27328, 721783, 1443566, 2887132, 5052481, 5774264, 10104962, 11548528, 20209924, 23097056, 40419848, 44028763, 46194112, 80839696, 88057526, 161679392, 176115052, 308201341, 323358784, 352230104, 616402682, 704460208, 1232805364, 1408920416, 2465610728, 2817840832, 4931221456, 9862442912, 19724885824]

約数ペア:

[(1, 19724885824), (2, 9862442912), (4, 4931221456), (7, 2817840832), (8, 2465610728), (14, 1408920416), (16, 1232805364), (28, 704460208), (32, 616402682), (56, 352230104), (61, 323358784), (64, 308201341), (112, 176115052), (122, 161679392), (224, 88057526), (244, 80839696), (427, 46194112), (448, 44028763), (488, 40419848), (854, 23097056), (976, 20209924), (1708, 11548528), (1952, 10104962), (3416, 5774264), (3904, 5052481), (6832, 2887132), (13664, 1443566), (27328, 721783)]