18808280

素因数分解:

$2^3\times 5^1\times {\mathrm{470207}}^1$

素因数の和:470218

約数の個数: 16

約数和(自身を含む): 42318720

約数和(自身を除く): 23510440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 470207, 940414, 1880828, 2351035, 3761656, 4702070, 9404140, 18808280]

約数ペア:

[(1, 18808280), (2, 9404140), (4, 4702070), (5, 3761656), (8, 2351035), (10, 1880828), (20, 940414), (40, 470207)]