19023994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23371}}^1$

素因数の和:23421

約数の個数: 16

約数和(自身を含む): 31972896

約数和(自身を除く): 12948902

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 23371, 46742, 257081, 514162, 864727, 1729454, 9511997, 19023994]

約数ペア:

[(1, 19023994), (2, 9511997), (11, 1729454), (22, 864727), (37, 514162), (74, 257081), (407, 46742), (814, 23371)]