19310731

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 22192128

約数和(自身を除く): 2881397

約数列:

[1, 11, 23, 127, 253, 601, 1397, 2921, 6611, 13823, 32131, 76327, 152053, 839597, 1755521, 19310731]

約数ペア:

[(1, 19310731), (11, 1755521), (23, 839597), (127, 152053), (253, 76327), (601, 32131), (1397, 13823), (2921, 6611)]