19981402

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4649}}^1$

素因数の和:4965

約数の個数: 16

約数和(自身を含む): 34372800

約数和(自身を除く): 14391398

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 4649, 9298, 32543, 65086, 1427243, 2854486, 9990701, 19981402]

約数ペア:

[(1, 19981402), (2, 9990701), (7, 2854486), (14, 1427243), (307, 65086), (614, 32543), (2149, 9298), (4298, 4649)]