19748224

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 41640480

約数和(自身を除く): 21892256

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 64, 71, 82, 106, 128, 142, 164, 212, 284, 328, 424, 568, 656, 848, 1136, 1312, 1696, 2173, 2272, 2624, 2911, 3392, 3763, 4346, 4544, 5248, 5822, 6784, 7526, 8692, 9088, 11644, 15052, 17384, 23288, 30104, 34768, 46576, 60208, 69536, 93152, 120416, 139072, 154283, 186304, 240832, 278144, 308566, 372608, 481664, 617132, 1234264, 2468528, 4937056, 9874112, 19748224]

約数ペア:

[(1, 19748224), (2, 9874112), (4, 4937056), (8, 2468528), (16, 1234264), (32, 617132), (41, 481664), (53, 372608), (64, 308566), (71, 278144), (82, 240832), (106, 186304), (128, 154283), (142, 139072), (164, 120416), (212, 93152), (284, 69536), (328, 60208), (424, 46576), (568, 34768), (656, 30104), (848, 23288), (1136, 17384), (1312, 15052), (1696, 11644), (2173, 9088), (2272, 8692), (2624, 7526), (2911, 6784), (3392, 5822), (3763, 5248), (4346, 4544)]