19305884

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28559}}^1$

素因数の和:28589

約数の個数: 18

約数和(自身を含む): 36585360

約数和(自身を除く): 17279476

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28559, 57118, 114236, 371267, 742534, 1485068, 4826471, 9652942, 19305884]

約数ペア:

[(1, 19305884), (2, 9652942), (4, 4826471), (13, 1485068), (26, 742534), (52, 371267), (169, 114236), (338, 57118), (676, 28559)]