19877146

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{2053}}^1$

素因数の和:2205

約数の個数: 16

約数和(自身を含む): 30760704

約数和(自身を除く): 10883558

約数列:

[1, 2, 47, 94, 103, 206, 2053, 4106, 4841, 9682, 96491, 192982, 211459, 422918, 9938573, 19877146]

約数ペア:

[(1, 19877146), (2, 9938573), (47, 422918), (94, 211459), (103, 192982), (206, 96491), (2053, 9682), (4106, 4841)]