18329840

素因数分解:

$2^4\times 5^1\times {\mathrm{229123}}^1$

素因数の和:229136

約数の個数: 20

約数和(自身を含む): 42617064

約数和(自身を除く): 24287224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229123, 458246, 916492, 1145615, 1832984, 2291230, 3665968, 4582460, 9164920, 18329840]

約数ペア:

[(1, 18329840), (2, 9164920), (4, 4582460), (5, 3665968), (8, 2291230), (10, 1832984), (16, 1145615), (20, 916492), (40, 458246), (80, 229123)]