18145760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 28302880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 127, 152, 160, 188, 190, 235, 254, 304, 376, 380, 470, 508, 608, 635, 752, 760, 893, 940, 1016, 1270, 1504, 1520, 1786, 1880, 2032, 2413, 2540, 3040, 3572, 3760, 4064, 4465, 4826, 5080, 5969, 7144, 7520, 8930, 9652, 10160, 11938, 12065, 14288, 17860, 19304, 20320, 23876, 24130, 28576, 29845, 35720, 38608, 47752, 48260, 59690, 71440, 77216, 95504, 96520, 113411, 119380, 142880, 191008, 193040, 226822, 238760, 386080, 453644, 477520, 567055, 907288, 955040, 1134110, 1814576, 2268220, 3629152, 4536440, 9072880, 18145760]

約数ペア:

[(1, 18145760), (2, 9072880), (4, 4536440), (5, 3629152), (8, 2268220), (10, 1814576), (16, 1134110), (19, 955040), (20, 907288), (32, 567055), (38, 477520), (40, 453644), (47, 386080), (76, 238760), (80, 226822), (94, 193040), (95, 191008), (127, 142880), (152, 119380), (160, 113411), (188, 96520), (190, 95504), (235, 77216), (254, 71440), (304, 59690), (376, 48260), (380, 47752), (470, 38608), (508, 35720), (608, 29845), (635, 28576), (752, 24130), (760, 23876), (893, 20320), (940, 19304), (1016, 17860), (1270, 14288), (1504, 12065), (1520, 11938), (1786, 10160), (1880, 9652), (2032, 8930), (2413, 7520), (2540, 7144), (3040, 5969), (3572, 5080), (3760, 4826), (4064, 4465)]