19642364

素因数分解:

$2^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1091}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 39381888

約数和(自身を除く): 19739524

約数列:

[1, 2, 4, 7, 14, 28, 643, 1091, 1286, 2182, 2572, 4364, 4501, 7637, 9002, 15274, 18004, 30548, 701513, 1403026, 2806052, 4910591, 9821182, 19642364]

約数ペア:

[(1, 19642364), (2, 9821182), (4, 4910591), (7, 2806052), (14, 1403026), (28, 701513), (643, 30548), (1091, 18004), (1286, 15274), (2182, 9002), (2572, 7637), (4364, 4501)]