18702173

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6257}}^1$

素因数の和:6332

約数の個数: 12

約数和(自身を含む): 22115772

約数和(自身を除く): 3413599

約数列:

[1, 7, 49, 61, 427, 2989, 6257, 43799, 306593, 381677, 2671739, 18702173]

約数ペア:

[(1, 18702173), (7, 2671739), (49, 381677), (61, 306593), (427, 43799), (2989, 6257)]