18181720920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{724949}}^1$

素因数の和:724993

約数の個数: 128

約数和(自身を含む): 62635680000

約数和(自身を除く): 44453959080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1254, 1320, 1672, 2090, 2280, 2508, 3135, 4180, 5016, 6270, 8360, 12540, 25080, 724949, 1449898, 2174847, 2899796, 3624745, 4349694, 5799592, 7249490, 7974439, 8699388, 10874235, 13774031, 14498980, 15948878, 17398776, 21748470, 23923317, 27548062, 28997960, 31897756, 39872195, 41322093, 43496940, 47846634, 55096124, 63795512, 68870155, 79744390, 82644186, 86993880, 95693268, 110192248, 119616585, 137740310, 151514341, 159488780, 165288372, 191386536, 206610465, 239233170, 275480620, 303028682, 318977560, 330576744, 413220930, 454543023, 478466340, 550961240, 606057364, 757571705, 826441860, 909086046, 956932680, 1212114728, 1515143410, 1652883720, 1818172092, 2272715115, 3030286820, 3636344184, 4545430230, 6060573640, 9090860460, 18181720920]

約数ペア:

[(1, 18181720920), (2, 9090860460), (3, 6060573640), (4, 4545430230), (5, 3636344184), (6, 3030286820), (8, 2272715115), (10, 1818172092), (11, 1652883720), (12, 1515143410), (15, 1212114728), (19, 956932680), (20, 909086046), (22, 826441860), (24, 757571705), (30, 606057364), (33, 550961240), (38, 478466340), (40, 454543023), (44, 413220930), (55, 330576744), (57, 318977560), (60, 303028682), (66, 275480620), (76, 239233170), (88, 206610465), (95, 191386536), (110, 165288372), (114, 159488780), (120, 151514341), (132, 137740310), (152, 119616585), (165, 110192248), (190, 95693268), (209, 86993880), (220, 82644186), (228, 79744390), (264, 68870155), (285, 63795512), (330, 55096124), (380, 47846634), (418, 43496940), (440, 41322093), (456, 39872195), (570, 31897756), (627, 28997960), (660, 27548062), (760, 23923317), (836, 21748470), (1045, 17398776), (1140, 15948878), (1254, 14498980), (1320, 13774031), (1672, 10874235), (2090, 8699388), (2280, 7974439), (2508, 7249490), (3135, 5799592), (4180, 4349694), (5016, 3624745), (6270, 2899796), (8360, 2174847), (12540, 1449898), (25080, 724949)]