19954010

素因数分解:

$2^1\times 5^1\times {\mathrm{503}}^1\times {\mathrm{3967}}^1$

素因数の和:4477

約数の個数: 16

約数和(自身を含む): 35997696

約数和(自身を除く): 16043686

約数列:

[1, 2, 5, 10, 503, 1006, 2515, 3967, 5030, 7934, 19835, 39670, 1995401, 3990802, 9977005, 19954010]

約数ペア:

[(1, 19954010), (2, 9977005), (5, 3990802), (10, 1995401), (503, 39670), (1006, 19835), (2515, 7934), (3967, 5030)]