19155941

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2767}}^1$

素因数の和:2840

約数の個数: 16

約数和(自身を含む): 23384064

約数和(自身を除く): 4228123

約数列:

[1, 7, 23, 43, 161, 301, 989, 2767, 6923, 19369, 63641, 118981, 445487, 832867, 2736563, 19155941]

約数ペア:

[(1, 19155941), (7, 2736563), (23, 832867), (43, 445487), (161, 118981), (301, 63641), (989, 19369), (2767, 6923)]