19880274

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{5153}}^1$

素因数の和:5801

約数の個数: 16

約数和(自身を含む): 39830112

約数和(自身を除く): 19949838

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 5153, 10306, 15459, 30918, 3313379, 6626758, 9940137, 19880274]

約数ペア:

[(1, 19880274), (2, 9940137), (3, 6626758), (6, 3313379), (643, 30918), (1286, 15459), (1929, 10306), (3858, 5153)]