19860799

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{439}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 23823360

約数和(自身を除く): 3962561

約数列:

[1, 7, 23, 161, 281, 439, 1967, 3073, 6463, 10097, 45241, 70679, 123359, 863513, 2837257, 19860799]

約数ペア:

[(1, 19860799), (7, 2837257), (23, 863513), (161, 123359), (281, 70679), (439, 45241), (1967, 10097), (3073, 6463)]