19998195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{673}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 36751872

約数和(自身を除く): 16753677

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 283, 673, 849, 1415, 1981, 2019, 3365, 4245, 4711, 5943, 9905, 10095, 14133, 23555, 29715, 70665, 190459, 571377, 952295, 1333213, 2856885, 3999639, 6666065, 19998195]

約数ペア:

[(1, 19998195), (3, 6666065), (5, 3999639), (7, 2856885), (15, 1333213), (21, 952295), (35, 571377), (105, 190459), (283, 70665), (673, 29715), (849, 23555), (1415, 14133), (1981, 10095), (2019, 9905), (3365, 5943), (4245, 4711)]