19646900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 55996416

約数和(自身を除く): 36349516

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 25, 26, 28, 34, 35, 50, 52, 65, 68, 70, 85, 91, 100, 119, 127, 130, 140, 170, 175, 182, 221, 238, 254, 260, 325, 340, 350, 364, 425, 442, 455, 476, 508, 595, 635, 650, 700, 850, 884, 889, 910, 1105, 1190, 1270, 1300, 1547, 1651, 1700, 1778, 1820, 2159, 2210, 2275, 2380, 2540, 2975, 3094, 3175, 3302, 3556, 4318, 4420, 4445, 4550, 5525, 5950, 6188, 6350, 6604, 7735, 8255, 8636, 8890, 9100, 10795, 11050, 11557, 11900, 12700, 15113, 15470, 16510, 17780, 21590, 22100, 22225, 23114, 28067, 30226, 30940, 33020, 38675, 41275, 43180, 44450, 46228, 53975, 56134, 57785, 60452, 75565, 77350, 82550, 88900, 107950, 112268, 115570, 140335, 151130, 154700, 165100, 196469, 215900, 231140, 280670, 288925, 302260, 377825, 392938, 561340, 577850, 701675, 755650, 785876, 982345, 1155700, 1403350, 1511300, 1964690, 2806700, 3929380, 4911725, 9823450, 19646900]

約数ペア:

[(1, 19646900), (2, 9823450), (4, 4911725), (5, 3929380), (7, 2806700), (10, 1964690), (13, 1511300), (14, 1403350), (17, 1155700), (20, 982345), (25, 785876), (26, 755650), (28, 701675), (34, 577850), (35, 561340), (50, 392938), (52, 377825), (65, 302260), (68, 288925), (70, 280670), (85, 231140), (91, 215900), (100, 196469), (119, 165100), (127, 154700), (130, 151130), (140, 140335), (170, 115570), (175, 112268), (182, 107950), (221, 88900), (238, 82550), (254, 77350), (260, 75565), (325, 60452), (340, 57785), (350, 56134), (364, 53975), (425, 46228), (442, 44450), (455, 43180), (476, 41275), (508, 38675), (595, 33020), (635, 30940), (650, 30226), (700, 28067), (850, 23114), (884, 22225), (889, 22100), (910, 21590), (1105, 17780), (1190, 16510), (1270, 15470), (1300, 15113), (1547, 12700), (1651, 11900), (1700, 11557), (1778, 11050), (1820, 10795), (2159, 9100), (2210, 8890), (2275, 8636), (2380, 8255), (2540, 7735), (2975, 6604), (3094, 6350), (3175, 6188), (3302, 5950), (3556, 5525), (4318, 4550), (4420, 4445)]