18938872

素因数分解:

$2^3\times {\mathrm{509}}^1\times {\mathrm{4651}}^1$

素因数の和:5166

約数の個数: 16

約数和(自身を含む): 35587800

約数和(自身を除く): 16648928

約数列:

[1, 2, 4, 8, 509, 1018, 2036, 4072, 4651, 9302, 18604, 37208, 2367359, 4734718, 9469436, 18938872]

約数ペア:

[(1, 18938872), (2, 9469436), (4, 4734718), (8, 2367359), (509, 37208), (1018, 18604), (2036, 9302), (4072, 4651)]