19845904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95413}}^1$

素因数の和:95434

約数の個数: 20

約数和(自身を含む): 41409676

約数和(自身を除く): 21563772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95413, 190826, 381652, 763304, 1240369, 1526608, 2480738, 4961476, 9922952, 19845904]

約数ペア:

[(1, 19845904), (2, 9922952), (4, 4961476), (8, 2480738), (13, 1526608), (16, 1240369), (26, 763304), (52, 381652), (104, 190826), (208, 95413)]