18883966

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9547}}^1$

素因数の和:9615

約数の個数: 16

約数和(自身を含む): 30248064

約数和(自身を除く): 11364098

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 9547, 19094, 219581, 410521, 439162, 821042, 9441983, 18883966]

約数ペア:

[(1, 18883966), (2, 9441983), (23, 821042), (43, 439162), (46, 410521), (86, 219581), (989, 19094), (1978, 9547)]