18982840

素因数分解:

$2^3\times 5^1\times {\mathrm{474571}}^1$

素因数の和:474582

約数の個数: 16

約数和(自身を含む): 42711480

約数和(自身を除く): 23728640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 474571, 949142, 1898284, 2372855, 3796568, 4745710, 9491420, 18982840]

約数ペア:

[(1, 18982840), (2, 9491420), (4, 4745710), (5, 3796568), (8, 2372855), (10, 1898284), (20, 949142), (40, 474571)]