19958157023

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21437333}}^1$

素因数の和:21437366

約数の個数: 12

約数和(自身を含む): 24438560760

約数和(自身を除く): 4480403737

約数列:

[1, 7, 19, 49, 133, 931, 21437333, 150061331, 407309327, 1050429317, 2851165289, 19958157023]

約数ペア:

[(1, 19958157023), (7, 2851165289), (19, 1050429317), (49, 407309327), (133, 150061331), (931, 21437333)]