18879490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1559}}^1$

素因数の和:1746

約数の個数: 32

約数和(自身を含む): 39087360

約数和(自身を除く): 20207870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 173, 346, 865, 1211, 1559, 1730, 2422, 3118, 6055, 7795, 10913, 12110, 15590, 21826, 54565, 109130, 269707, 539414, 1348535, 1887949, 2697070, 3775898, 9439745, 18879490]

約数ペア:

[(1, 18879490), (2, 9439745), (5, 3775898), (7, 2697070), (10, 1887949), (14, 1348535), (35, 539414), (70, 269707), (173, 109130), (346, 54565), (865, 21826), (1211, 15590), (1559, 12110), (1730, 10913), (2422, 7795), (3118, 6055)]