19900006

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 35929152

約数和(自身を除く): 16029146

約数列:

[1, 2, 7, 14, 37, 41, 74, 82, 259, 287, 518, 574, 937, 1517, 1874, 3034, 6559, 10619, 13118, 21238, 34669, 38417, 69338, 76834, 242683, 268919, 485366, 537838, 1421429, 2842858, 9950003, 19900006]

約数ペア:

[(1, 19900006), (2, 9950003), (7, 2842858), (14, 1421429), (37, 537838), (41, 485366), (74, 268919), (82, 242683), (259, 76834), (287, 69338), (518, 38417), (574, 34669), (937, 21238), (1517, 13118), (1874, 10619), (3034, 6559)]