18693961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4217}}^1$

素因数の和:4272

約数の個数: 16

約数和(自身を含む): 22675968

約数和(自身を除く): 3982007

約数列:

[1, 11, 13, 31, 143, 341, 403, 4217, 4433, 46387, 54821, 130727, 603031, 1437997, 1699451, 18693961]

約数ペア:

[(1, 18693961), (11, 1699451), (13, 1437997), (31, 603031), (143, 130727), (341, 54821), (403, 46387), (4217, 4433)]