19442521

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 23341824

約数和(自身を除く): 3899303

約数列:

[1, 7, 23, 161, 197, 613, 1379, 4291, 4531, 14099, 31717, 98693, 120761, 845327, 2777503, 19442521]

約数ペア:

[(1, 19442521), (7, 2777503), (23, 845327), (161, 120761), (197, 98693), (613, 31717), (1379, 14099), (4291, 4531)]