19943898

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11117}}^1$

素因数の和:11158

約数の個数: 32

約数和(自身を含む): 44827776

約数和(自身を除く): 24883878

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11117, 22234, 33351, 66702, 144521, 255691, 289042, 433563, 511382, 767073, 867126, 1534146, 3323983, 6647966, 9971949, 19943898]

約数ペア:

[(1, 19943898), (2, 9971949), (3, 6647966), (6, 3323983), (13, 1534146), (23, 867126), (26, 767073), (39, 511382), (46, 433563), (69, 289042), (78, 255691), (138, 144521), (299, 66702), (598, 33351), (897, 22234), (1794, 11117)]