19171808

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{13933}}^1$

素因数の和:13986

約数の個数: 24

約数和(自身を含む): 38625048

約数和(自身を除く): 19453240

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 13933, 27866, 55732, 111464, 222928, 445856, 599119, 1198238, 2396476, 4792952, 9585904, 19171808]

約数ペア:

[(1, 19171808), (2, 9585904), (4, 4792952), (8, 2396476), (16, 1198238), (32, 599119), (43, 445856), (86, 222928), (172, 111464), (344, 55732), (688, 27866), (1376, 13933)]