18967743

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{14947}}^1$

素因数の和:15003

約数の個数: 16

約数和(自身を含む): 28700160

約数和(自身を除く): 9732417

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 14947, 44841, 134523, 403569, 702509, 2107527, 6322581, 18967743]

約数ペア:

[(1, 18967743), (3, 6322581), (9, 2107527), (27, 702509), (47, 403569), (141, 134523), (423, 44841), (1269, 14947)]