18720246

素因数分解:

$2^1\times 3^1\times {\mathrm{307}}^1\times {\mathrm{10163}}^1$

素因数の和:10475

約数の個数: 16

約数和(自身を含む): 37566144

約数和(自身を除く): 18845898

約数列:

[1, 2, 3, 6, 307, 614, 921, 1842, 10163, 20326, 30489, 60978, 3120041, 6240082, 9360123, 18720246]

約数ペア:

[(1, 18720246), (2, 9360123), (3, 6240082), (6, 3120041), (307, 60978), (614, 30489), (921, 20326), (1842, 10163)]