19742073

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1693}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 29760192

約数和(自身を除く): 10018119

約数列:

[1, 3, 13, 23, 39, 69, 169, 299, 507, 897, 1693, 3887, 5079, 11661, 22009, 38939, 66027, 116817, 286117, 506207, 858351, 1518621, 6580691, 19742073]

約数ペア:

[(1, 19742073), (3, 6580691), (13, 1518621), (23, 858351), (39, 506207), (69, 286117), (169, 116817), (299, 66027), (507, 38939), (897, 22009), (1693, 11661), (3887, 5079)]