19922651

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 23383296

約数和(自身を除く): 3460645

約数列:

[1, 7, 67, 107, 397, 469, 749, 2779, 7169, 26599, 42479, 50183, 186193, 297353, 2846093, 19922651]

約数ペア:

[(1, 19922651), (7, 2846093), (67, 297353), (107, 186193), (397, 50183), (469, 42479), (749, 26599), (2779, 7169)]