18802538

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:997

約数の個数: 16

約数和(自身を含む): 28940544

約数和(自身を除く): 10138006

約数列:

[1, 2, 47, 94, 317, 631, 634, 1262, 14899, 29657, 29798, 59314, 200027, 400054, 9401269, 18802538]

約数ペア:

[(1, 18802538), (2, 9401269), (47, 400054), (94, 200027), (317, 59314), (631, 29798), (634, 29657), (1262, 14899)]