19855924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{5437}}^1$

素因数の和:5535

約数の個数: 24

約数和(自身を含む): 38370528

約数和(自身を除く): 18514604

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 332, 913, 1826, 3652, 5437, 10874, 21748, 59807, 119614, 239228, 451271, 902542, 1805084, 4963981, 9927962, 19855924]

約数ペア:

[(1, 19855924), (2, 9927962), (4, 4963981), (11, 1805084), (22, 902542), (44, 451271), (83, 239228), (166, 119614), (332, 59807), (913, 21748), (1826, 10874), (3652, 5437)]