19957703479

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{1949}}^1\times {\mathrm{3943}}^1$

素因数の和:5959

約数の個数: 24

約数和(自身を含む): 23672282400

約数和(自身を除く): 3714578921

約数列:

[1, 7, 49, 53, 371, 1949, 2597, 3943, 13643, 27601, 95501, 103297, 193207, 208979, 723079, 1462853, 5061553, 7684907, 10239971, 53794349, 376560443, 407300071, 2851100497, 19957703479]

約数ペア:

[(1, 19957703479), (7, 2851100497), (49, 407300071), (53, 376560443), (371, 53794349), (1949, 10239971), (2597, 7684907), (3943, 5061553), (13643, 1462853), (27601, 723079), (95501, 208979), (103297, 193207)]