16918790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{919}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 34974720

約数和(自身を除く): 18055930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263, 526, 919, 1315, 1838, 1841, 2630, 3682, 4595, 6433, 9190, 9205, 12866, 18410, 32165, 64330, 241697, 483394, 1208485, 1691879, 2416970, 3383758, 8459395, 16918790]

約数ペア:

[(1, 16918790), (2, 8459395), (5, 3383758), (7, 2416970), (10, 1691879), (14, 1208485), (35, 483394), (70, 241697), (263, 64330), (526, 32165), (919, 18410), (1315, 12866), (1838, 9205), (1841, 9190), (2630, 6433), (3682, 4595)]