18611013

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6947}}^1$

素因数の和:7016

約数の個数: 16

約数和(自身を含む): 26680320

約数和(自身を除く): 8069307

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 6947, 20841, 131993, 326509, 395979, 979527, 6203671, 18611013]

約数ペア:

[(1, 18611013), (3, 6203671), (19, 979527), (47, 395979), (57, 326509), (141, 131993), (893, 20841), (2679, 6947)]