18303920

素因数分解:

$2^4\times 5^1\times {\mathrm{228799}}^1$

素因数の和:228812

約数の個数: 20

約数和(自身を含む): 42556800

約数和(自身を除く): 24252880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 228799, 457598, 915196, 1143995, 1830392, 2287990, 3660784, 4575980, 9151960, 18303920]

約数ペア:

[(1, 18303920), (2, 9151960), (4, 4575980), (5, 3660784), (8, 2287990), (10, 1830392), (16, 1143995), (20, 915196), (40, 457598), (80, 228799)]