18493020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1$

素因数の和:1164

約数の個数: 144

約数和(自身を含む): 69101760

約数和(自身を除く): 50608740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1129, 1170, 1260, 1365, 1638, 1820, 2258, 2340, 2730, 3276, 3387, 4095, 4516, 5460, 5645, 6774, 7903, 8190, 10161, 11290, 13548, 14677, 15806, 16380, 16935, 20322, 22580, 23709, 29354, 31612, 33870, 39515, 40644, 44031, 47418, 50805, 58708, 67740, 71127, 73385, 79030, 88062, 94836, 101610, 102739, 118545, 132093, 142254, 146770, 158060, 176124, 203220, 205478, 220155, 237090, 264186, 284508, 293540, 308217, 355635, 410956, 440310, 474180, 513695, 528372, 616434, 660465, 711270, 880620, 924651, 1027390, 1232868, 1320930, 1422540, 1541085, 1849302, 2054780, 2641860, 3082170, 3698604, 4623255, 6164340, 9246510, 18493020]

約数ペア:

[(1, 18493020), (2, 9246510), (3, 6164340), (4, 4623255), (5, 3698604), (6, 3082170), (7, 2641860), (9, 2054780), (10, 1849302), (12, 1541085), (13, 1422540), (14, 1320930), (15, 1232868), (18, 1027390), (20, 924651), (21, 880620), (26, 711270), (28, 660465), (30, 616434), (35, 528372), (36, 513695), (39, 474180), (42, 440310), (45, 410956), (52, 355635), (60, 308217), (63, 293540), (65, 284508), (70, 264186), (78, 237090), (84, 220155), (90, 205478), (91, 203220), (105, 176124), (117, 158060), (126, 146770), (130, 142254), (140, 132093), (156, 118545), (180, 102739), (182, 101610), (195, 94836), (210, 88062), (234, 79030), (252, 73385), (260, 71127), (273, 67740), (315, 58708), (364, 50805), (390, 47418), (420, 44031), (455, 40644), (468, 39515), (546, 33870), (585, 31612), (630, 29354), (780, 23709), (819, 22580), (910, 20322), (1092, 16935), (1129, 16380), (1170, 15806), (1260, 14677), (1365, 13548), (1638, 11290), (1820, 10161), (2258, 8190), (2340, 7903), (2730, 6774), (3276, 5645), (3387, 5460), (4095, 4516)]