18151289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1784

約数の個数: 16

約数和(自身を含む): 21067200

約数和(自身を除く): 2915911

約数列:

[1, 13, 19, 43, 247, 559, 817, 1709, 10621, 22217, 32471, 73487, 422123, 955331, 1396253, 18151289]

約数ペア:

[(1, 18151289), (13, 1396253), (19, 955331), (43, 422123), (247, 73487), (559, 32471), (817, 22217), (1709, 10621)]