19972526

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38557}}^1$

素因数の和:38603

約数の個数: 16

約数和(自身を含む): 35164896

約数和(自身を除く): 15192370

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38557, 77114, 269899, 539798, 1426609, 2853218, 9986263, 19972526]

約数ペア:

[(1, 19972526), (2, 9986263), (7, 2853218), (14, 1426609), (37, 539798), (74, 269899), (259, 77114), (518, 38557)]