18783861

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 27627264

約数和(自身を除く): 8843403

約数列:

[1, 3, 17, 31, 51, 93, 109, 327, 527, 1581, 1853, 3379, 5559, 10137, 11881, 35643, 57443, 172329, 201977, 368311, 605931, 1104933, 6261287, 18783861]

約数ペア:

[(1, 18783861), (3, 6261287), (17, 1104933), (31, 605931), (51, 368311), (93, 201977), (109, 172329), (327, 57443), (527, 35643), (1581, 11881), (1853, 10137), (3379, 5559)]