18286928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{103903}}^1$

素因数の和:103922

約数の個数: 20

約数和(自身を含む): 38652288

約数和(自身を除く): 20365360

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 103903, 207806, 415612, 831224, 1142933, 1662448, 2285866, 4571732, 9143464, 18286928]

約数ペア:

[(1, 18286928), (2, 9143464), (4, 4571732), (8, 2285866), (11, 1662448), (16, 1142933), (22, 831224), (44, 415612), (88, 207806), (176, 103903)]