19422205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1951}}^1$

素因数の和:2148

約数の個数: 16

約数和(自身を含む): 25579008

約数和(自身を除く): 6156803

約数列:

[1, 5, 11, 55, 181, 905, 1951, 1991, 9755, 9955, 21461, 107305, 353131, 1765655, 3884441, 19422205]

約数ペア:

[(1, 19422205), (5, 3884441), (11, 1765655), (55, 353131), (181, 107305), (905, 21461), (1951, 9955), (1991, 9755)]