18938877

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7727}}^1$

素因数の和:7792

約数の個数: 16

約数和(自身を含む): 27202560

約数和(自身を除く): 8263683

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 7727, 23181, 146813, 332261, 440439, 996783, 6312959, 18938877]

約数ペア:

[(1, 18938877), (3, 6312959), (19, 996783), (43, 440439), (57, 332261), (129, 146813), (817, 23181), (2451, 7727)]