18739420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133853}}^1$

素因数の和:133869

約数の個数: 24

約数和(自身を含む): 44974944

約数和(自身を除く): 26235524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133853, 267706, 535412, 669265, 936971, 1338530, 1873942, 2677060, 3747884, 4684855, 9369710, 18739420]

約数ペア:

[(1, 18739420), (2, 9369710), (4, 4684855), (5, 3747884), (7, 2677060), (10, 1873942), (14, 1338530), (20, 936971), (28, 669265), (35, 535412), (70, 267706), (140, 133853)]