2109872

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:980

約数の個数: 20

約数和(自身を含む): 4118040

約数和(自身を除く): 2008168

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 809, 1304, 1618, 2608, 3236, 6472, 12944, 131867, 263734, 527468, 1054936, 2109872]

約数ペア:

[(1, 2109872), (2, 1054936), (4, 527468), (8, 263734), (16, 131867), (163, 12944), (326, 6472), (652, 3236), (809, 2608), (1304, 1618)]