19789947

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{1741}}^1$

素因数の和:2171

約数の個数: 16

約数和(自身を含む): 29404960

約数和(自身を除く): 9615013

約数列:

[1, 3, 9, 27, 421, 1263, 1741, 3789, 5223, 11367, 15669, 47007, 732961, 2198883, 6596649, 19789947]

約数ペア:

[(1, 19789947), (3, 6596649), (9, 2198883), (27, 732961), (421, 47007), (1263, 15669), (1741, 11367), (3789, 5223)]