19964188

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2143}}^1$

素因数の和:2301

約数の個数: 24

約数和(自身を含む): 37279872

約数和(自身を除く): 17315684

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2143, 2329, 4286, 4658, 8572, 9316, 36431, 72862, 145724, 293591, 587182, 1174364, 4991047, 9982094, 19964188]

約数ペア:

[(1, 19964188), (2, 9982094), (4, 4991047), (17, 1174364), (34, 587182), (68, 293591), (137, 145724), (274, 72862), (548, 36431), (2143, 9316), (2329, 8572), (4286, 4658)]