19651588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12071}}^1$

素因数の和:12123

約数の個数: 24

約数和(自身を含む): 38533824

約数和(自身を除く): 18882236

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12071, 24142, 48284, 132781, 265562, 446627, 531124, 893254, 1786508, 4912897, 9825794, 19651588]

約数ペア:

[(1, 19651588), (2, 9825794), (4, 4912897), (11, 1786508), (22, 893254), (37, 531124), (44, 446627), (74, 265562), (148, 132781), (407, 48284), (814, 24142), (1628, 12071)]