18914140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135101}}^1$

素因数の和:135117

約数の個数: 24

約数和(自身を含む): 45394272

約数和(自身を除く): 26480132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135101, 270202, 540404, 675505, 945707, 1351010, 1891414, 2702020, 3782828, 4728535, 9457070, 18914140]

約数ペア:

[(1, 18914140), (2, 9457070), (4, 4728535), (5, 3782828), (7, 2702020), (10, 1891414), (14, 1351010), (20, 945707), (28, 675505), (35, 540404), (70, 270202), (140, 135101)]