18444877

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 21833280

約数和(自身を除く): 3388403

約数列:

[1, 11, 19, 71, 113, 121, 209, 781, 1243, 1349, 2147, 2299, 8023, 8591, 13673, 14839, 23617, 88253, 152437, 163229, 259787, 970783, 1676807, 18444877]

約数ペア:

[(1, 18444877), (11, 1676807), (19, 970783), (71, 259787), (113, 163229), (121, 152437), (209, 88253), (781, 23617), (1243, 14839), (1349, 13673), (2147, 8591), (2299, 8023)]