18178183780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2803}}^1\times {\mathrm{7541}}^1$

素因数の和:10396

約数の個数: 48

約数和(自身を含む): 39081075264

約数和(自身を除く): 20902891484

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2803, 5606, 7541, 11212, 14015, 15082, 28030, 30164, 37705, 56060, 75410, 120529, 150820, 241058, 324263, 482116, 602645, 648526, 1205290, 1297052, 1621315, 2410580, 3242630, 6485260, 21137423, 42274846, 84549692, 105687115, 211374230, 422748460, 908909189, 1817818378, 3635636756, 4544545945, 9089091890, 18178183780]

約数ペア:

[(1, 18178183780), (2, 9089091890), (4, 4544545945), (5, 3635636756), (10, 1817818378), (20, 908909189), (43, 422748460), (86, 211374230), (172, 105687115), (215, 84549692), (430, 42274846), (860, 21137423), (2803, 6485260), (5606, 3242630), (7541, 2410580), (11212, 1621315), (14015, 1297052), (15082, 1205290), (28030, 648526), (30164, 602645), (37705, 482116), (56060, 324263), (75410, 241058), (120529, 150820)]