19489454

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{2557}}^1$

素因数の和:2699

約数の個数: 16

約数和(自身を含む): 30327648

約数和(自身を除く): 10838194

約数列:

[1, 2, 37, 74, 103, 206, 2557, 3811, 5114, 7622, 94609, 189218, 263371, 526742, 9744727, 19489454]

約数ペア:

[(1, 19489454), (2, 9744727), (37, 526742), (74, 263371), (103, 189218), (206, 94609), (2557, 7622), (3811, 5114)]