18913210

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{22787}}^1$

素因数の和:22877

約数の個数: 16

約数和(自身を含む): 34455456

約数和(自身を除く): 15542246

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 22787, 45574, 113935, 227870, 1891321, 3782642, 9456605, 18913210]

約数ペア:

[(1, 18913210), (2, 9456605), (5, 3782642), (10, 1891321), (83, 227870), (166, 113935), (415, 45574), (830, 22787)]