18748970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26407}}^1$

素因数の和:26485

約数の個数: 16

約数和(自身を含む): 34224768

約数和(自身を除く): 15475798

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26407, 52814, 132035, 264070, 1874897, 3749794, 9374485, 18748970]

約数ペア:

[(1, 18748970), (2, 9374485), (5, 3749794), (10, 1874897), (71, 264070), (142, 132035), (355, 52814), (710, 26407)]