18887834

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{5209}}^1$

素因数の和:5262

約数の個数: 24

約数和(自身を含む): 33854580

約数和(自身を除く): 14966746

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3626, 5209, 10418, 36463, 72926, 192733, 255241, 385466, 510482, 1349131, 2698262, 9443917, 18887834]

約数ペア:

[(1, 18887834), (2, 9443917), (7, 2698262), (14, 1349131), (37, 510482), (49, 385466), (74, 255241), (98, 192733), (259, 72926), (518, 36463), (1813, 10418), (3626, 5209)]