16709189

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1721}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 20388480

約数和(自身を除く): 3679291

約数列:

[1, 7, 19, 73, 133, 511, 1387, 1721, 9709, 12047, 32699, 125633, 228893, 879431, 2387027, 16709189]

約数ペア:

[(1, 16709189), (7, 2387027), (19, 879431), (73, 228893), (133, 125633), (511, 32699), (1387, 12047), (1721, 9709)]