18223760

素因数分解:

$2^4\times 5^1\times {\mathrm{227797}}^1$

素因数の和:227810

約数の個数: 20

約数和(自身を含む): 42370428

約数和(自身を除く): 24146668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227797, 455594, 911188, 1138985, 1822376, 2277970, 3644752, 4555940, 9111880, 18223760]

約数ペア:

[(1, 18223760), (2, 9111880), (4, 4555940), (5, 3644752), (8, 2277970), (10, 1822376), (16, 1138985), (20, 911188), (40, 455594), (80, 227797)]