18039281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 19992000

約数和(自身を除く): 1952719

約数列:

[1, 13, 67, 139, 149, 871, 1807, 1937, 9313, 9983, 20711, 121069, 129779, 269243, 1387637, 18039281]

約数ペア:

[(1, 18039281), (13, 1387637), (67, 269243), (139, 129779), (149, 121069), (871, 20711), (1807, 9983), (1937, 9313)]