19813424

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8311}}^1$

素因数の和:8468

約数の個数: 20

約数和(自身を含む): 38650800

約数和(自身を除く): 18837376

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8311, 16622, 33244, 66488, 132976, 1238339, 2476678, 4953356, 9906712, 19813424]

約数ペア:

[(1, 19813424), (2, 9906712), (4, 4953356), (8, 2476678), (16, 1238339), (149, 132976), (298, 66488), (596, 33244), (1192, 16622), (2384, 8311)]