19114144240

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{123989}}^1$

素因数の和:124090

約数の個数: 80

約数和(自身を含む): 46493274240

約数和(自身を除く): 27379130000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 656, 752, 820, 940, 1640, 1880, 1927, 3280, 3760, 3854, 7708, 9635, 15416, 19270, 30832, 38540, 77080, 123989, 154160, 247978, 495956, 619945, 991912, 1239890, 1983824, 2479780, 4959560, 5083549, 5827483, 9919120, 10167098, 11654966, 20334196, 23309932, 25417745, 29137415, 40668392, 46619864, 50835490, 58274830, 81336784, 93239728, 101670980, 116549660, 203341960, 233099320, 238926803, 406683920, 466198640, 477853606, 955707212, 1194634015, 1911414424, 2389268030, 3822828848, 4778536060, 9557072120, 19114144240]

約数ペア:

[(1, 19114144240), (2, 9557072120), (4, 4778536060), (5, 3822828848), (8, 2389268030), (10, 1911414424), (16, 1194634015), (20, 955707212), (40, 477853606), (41, 466198640), (47, 406683920), (80, 238926803), (82, 233099320), (94, 203341960), (164, 116549660), (188, 101670980), (205, 93239728), (235, 81336784), (328, 58274830), (376, 50835490), (410, 46619864), (470, 40668392), (656, 29137415), (752, 25417745), (820, 23309932), (940, 20334196), (1640, 11654966), (1880, 10167098), (1927, 9919120), (3280, 5827483), (3760, 5083549), (3854, 4959560), (7708, 2479780), (9635, 1983824), (15416, 1239890), (19270, 991912), (30832, 619945), (38540, 495956), (77080, 247978), (123989, 154160)]