18994420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{32749}}^1$

素因数の和:32787

約数の個数: 24

約数和(自身を含む): 41265000

約数和(自身を除く): 22270580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 32749, 65498, 130996, 163745, 327490, 654980, 949721, 1899442, 3798884, 4748605, 9497210, 18994420]

約数ペア:

[(1, 18994420), (2, 9497210), (4, 4748605), (5, 3798884), (10, 1899442), (20, 949721), (29, 654980), (58, 327490), (116, 163745), (145, 130996), (290, 65498), (580, 32749)]