18742220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{133873}}^1$

素因数の和:133889

約数の個数: 24

約数和(自身を含む): 44981664

約数和(自身を除く): 26239444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 133873, 267746, 535492, 669365, 937111, 1338730, 1874222, 2677460, 3748444, 4685555, 9371110, 18742220]

約数ペア:

[(1, 18742220), (2, 9371110), (4, 4685555), (5, 3748444), (7, 2677460), (10, 1874222), (14, 1338730), (20, 937111), (28, 669365), (35, 535492), (70, 267746), (140, 133873)]