18893347

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{761}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 21543264

約数和(自身を除く): 2649917

約数列:

[1, 11, 37, 61, 407, 671, 761, 2257, 8371, 24827, 28157, 46421, 309727, 510631, 1717577, 18893347]

約数ペア:

[(1, 18893347), (11, 1717577), (37, 510631), (61, 309727), (407, 46421), (671, 28157), (761, 24827), (2257, 8371)]