19966052

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 35703360

約数和(自身を除く): 15737308

約数列:

[1, 2, 4, 71, 142, 229, 284, 307, 458, 614, 916, 1228, 16259, 21797, 32518, 43594, 65036, 70303, 87188, 140606, 281212, 4991513, 9983026, 19966052]

約数ペア:

[(1, 19966052), (2, 9983026), (4, 4991513), (71, 281212), (142, 140606), (229, 87188), (284, 70303), (307, 65036), (458, 43594), (614, 32518), (916, 21797), (1228, 16259)]