19858149

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{1747}}^1$

素因数の和:2177

約数の個数: 16

約数和(自身を含む): 29506240

約数和(自身を除く): 9648091

約数列:

[1, 3, 9, 27, 421, 1263, 1747, 3789, 5241, 11367, 15723, 47169, 735487, 2206461, 6619383, 19858149]

約数ペア:

[(1, 19858149), (3, 6619383), (9, 2206461), (27, 735487), (421, 47169), (1263, 15723), (1747, 11367), (3789, 5241)]