17720233910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3361}}^1\times {\mathrm{27749}}^1$

素因数の和:31136

約数の個数: 32

約数和(自身を含む): 33586380000

約数和(自身を除く): 15866146090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 3361, 6722, 16805, 27749, 33610, 55498, 63859, 127718, 138745, 277490, 319295, 527231, 638590, 1054462, 2636155, 5272310, 93264389, 186528778, 466321945, 932643890, 1772023391, 3544046782, 8860116955, 17720233910]

約数ペア:

[(1, 17720233910), (2, 8860116955), (5, 3544046782), (10, 1772023391), (19, 932643890), (38, 466321945), (95, 186528778), (190, 93264389), (3361, 5272310), (6722, 2636155), (16805, 1054462), (27749, 638590), (33610, 527231), (55498, 319295), (63859, 277490), (127718, 138745)]