18475660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131969}}^1$

素因数の和:131985

約数の個数: 24

約数和(自身を含む): 44341920

約数和(自身を除く): 25866260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131969, 263938, 527876, 659845, 923783, 1319690, 1847566, 2639380, 3695132, 4618915, 9237830, 18475660]

約数ペア:

[(1, 18475660), (2, 9237830), (4, 4618915), (5, 3695132), (7, 2639380), (10, 1847566), (14, 1319690), (20, 923783), (28, 659845), (35, 527876), (70, 263938), (140, 131969)]