19452368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2281}}^1$

素因数の和:2343

約数の個数: 40

約数和(自身を含む): 41596296

約数和(自身を除く): 22143928

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 2281, 4264, 4562, 8528, 9124, 18248, 29653, 36496, 59306, 93521, 118612, 187042, 237224, 374084, 474448, 748168, 1215773, 1496336, 2431546, 4863092, 9726184, 19452368]

約数ペア:

[(1, 19452368), (2, 9726184), (4, 4863092), (8, 2431546), (13, 1496336), (16, 1215773), (26, 748168), (41, 474448), (52, 374084), (82, 237224), (104, 187042), (164, 118612), (208, 93521), (328, 59306), (533, 36496), (656, 29653), (1066, 18248), (2132, 9124), (2281, 8528), (4264, 4562)]