19206681

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 28407456

約数和(自身を除く): 9200775

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 881, 1677, 2643, 7267, 11453, 21801, 34359, 37883, 113649, 148889, 446667, 492479, 1477437, 6402227, 19206681]

約数ペア:

[(1, 19206681), (3, 6402227), (13, 1477437), (39, 492479), (43, 446667), (129, 148889), (169, 113649), (507, 37883), (559, 34359), (881, 21801), (1677, 11453), (2643, 7267)]