18949007

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3673}}^1$

素因数の和:3758

約数の個数: 16

約数和(自身を含む): 23983872

約数和(自身を除く): 5034865

約数列:

[1, 7, 11, 67, 77, 469, 737, 3673, 5159, 25711, 40403, 246091, 282821, 1722637, 2707001, 18949007]

約数ペア:

[(1, 18949007), (7, 2707001), (11, 1722637), (67, 282821), (77, 246091), (469, 40403), (737, 25711), (3673, 5159)]