19942448

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12101}}^1$

素因数の和:12212

約数の個数: 20

約数和(自身を含む): 39016848

約数和(自身を除く): 19074400

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12101, 24202, 48404, 96808, 193616, 1246403, 2492806, 4985612, 9971224, 19942448]

約数ペア:

[(1, 19942448), (2, 9971224), (4, 4985612), (8, 2492806), (16, 1246403), (103, 193616), (206, 96808), (412, 48404), (824, 24202), (1648, 12101)]