18469780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131927}}^1$

素因数の和:131943

約数の個数: 24

約数和(自身を含む): 44327808

約数和(自身を除く): 25858028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131927, 263854, 527708, 659635, 923489, 1319270, 1846978, 2638540, 3693956, 4617445, 9234890, 18469780]

約数ペア:

[(1, 18469780), (2, 9234890), (4, 4617445), (5, 3693956), (7, 2638540), (10, 1846978), (14, 1319270), (20, 923489), (28, 659635), (35, 527708), (70, 263854), (140, 131927)]