19284640

素因数分解:

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

素因数の和:2861

約数の個数: 48

約数和(自身を含む): 46636128

約数和(自身を除く): 27351488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2803, 3440, 5606, 6880, 11212, 14015, 22424, 28030, 44848, 56060, 89696, 112120, 120529, 224240, 241058, 448480, 482116, 602645, 964232, 1205290, 1928464, 2410580, 3856928, 4821160, 9642320, 19284640]

約数ペア:

[(1, 19284640), (2, 9642320), (4, 4821160), (5, 3856928), (8, 2410580), (10, 1928464), (16, 1205290), (20, 964232), (32, 602645), (40, 482116), (43, 448480), (80, 241058), (86, 224240), (160, 120529), (172, 112120), (215, 89696), (344, 56060), (430, 44848), (688, 28030), (860, 22424), (1376, 14015), (1720, 11212), (2803, 6880), (3440, 5606)]