18330863920

素因数分解:

$2^4\times 5^1\times {\mathrm{229135799}}^1$

素因数の和:229135812

約数の個数: 20

約数和(自身を含む): 42619258800

約数和(自身を除く): 24288394880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229135799, 458271598, 916543196, 1145678995, 1833086392, 2291357990, 3666172784, 4582715980, 9165431960, 18330863920]

約数ペア:

[(1, 18330863920), (2, 9165431960), (4, 4582715980), (5, 3666172784), (8, 2291357990), (10, 1833086392), (16, 1145678995), (20, 916543196), (40, 458271598), (80, 229135799)]