19201666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 14390654

約数列:

[1, 2, 11, 19, 22, 38, 71, 142, 209, 418, 647, 781, 1294, 1349, 1562, 2698, 7117, 12293, 14234, 14839, 24586, 29678, 45937, 91874, 135223, 270446, 505307, 872803, 1010614, 1745606, 9600833, 19201666]

約数ペア:

[(1, 19201666), (2, 9600833), (11, 1745606), (19, 1010614), (22, 872803), (38, 505307), (71, 270446), (142, 135223), (209, 91874), (418, 45937), (647, 29678), (781, 24586), (1294, 14839), (1349, 14234), (1562, 12293), (2698, 7117)]