18433940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131671}}^1$

素因数の和:131687

約数の個数: 24

約数和(自身を含む): 44241792

約数和(自身を除く): 25807852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131671, 263342, 526684, 658355, 921697, 1316710, 1843394, 2633420, 3686788, 4608485, 9216970, 18433940]

約数ペア:

[(1, 18433940), (2, 9216970), (4, 4608485), (5, 3686788), (7, 2633420), (10, 1843394), (14, 1316710), (20, 921697), (28, 658355), (35, 526684), (70, 263342), (140, 131671)]