18804907880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9049}}^1\times {\mathrm{4723}}^1$

素因数の和:13794

約数の個数: 64

約数和(自身を含む): 46172376000

約数和(自身を除く): 27367468120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4723, 9049, 9446, 18098, 18892, 23615, 36196, 37784, 45245, 47230, 51953, 72392, 90490, 94460, 99539, 103906, 180980, 188920, 199078, 207812, 259765, 361960, 398156, 415624, 497695, 519530, 796312, 995390, 1039060, 1990780, 2078120, 3981560, 42738427, 85476854, 170953708, 213692135, 341907416, 427384270, 470122697, 854768540, 940245394, 1709537080, 1880490788, 2350613485, 3760981576, 4701226970, 9402453940, 18804907880]

約数ペア:

[(1, 18804907880), (2, 9402453940), (4, 4701226970), (5, 3760981576), (8, 2350613485), (10, 1880490788), (11, 1709537080), (20, 940245394), (22, 854768540), (40, 470122697), (44, 427384270), (55, 341907416), (88, 213692135), (110, 170953708), (220, 85476854), (440, 42738427), (4723, 3981560), (9049, 2078120), (9446, 1990780), (18098, 1039060), (18892, 995390), (23615, 796312), (36196, 519530), (37784, 497695), (45245, 415624), (47230, 398156), (51953, 361960), (72392, 259765), (90490, 207812), (94460, 199078), (99539, 188920), (103906, 180980)]