18647286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{443983}}^1$

素因数の和:443995

約数の個数: 16

約数和(自身を含む): 42622464

約数和(自身を除く): 23975178

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 443983, 887966, 1331949, 2663898, 3107881, 6215762, 9323643, 18647286]

約数ペア:

[(1, 18647286), (2, 9323643), (3, 6215762), (6, 3107881), (7, 2663898), (14, 1331949), (21, 887966), (42, 443983)]