18820198

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1291}}^1$

素因数の和:1527

約数の個数: 16

約数和(自身を含む): 29163024

約数和(自身を除く): 10342826

約数列:

[1, 2, 37, 74, 197, 394, 1291, 2582, 7289, 14578, 47767, 95534, 254327, 508654, 9410099, 18820198]

約数ペア:

[(1, 18820198), (2, 9410099), (37, 508654), (74, 254327), (197, 95534), (394, 47767), (1291, 14578), (2582, 7289)]