18091886

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:679

約数の個数: 16

約数和(自身を含む): 27561600

約数和(自身を除く): 9469714

約数列:

[1, 2, 131, 199, 262, 347, 398, 694, 26069, 45457, 52138, 69053, 90914, 138106, 9045943, 18091886]

約数ペア:

[(1, 18091886), (2, 9045943), (131, 138106), (199, 90914), (262, 69053), (347, 52138), (398, 45457), (694, 26069)]