19863021

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5813}}^1$

素因数の和:5900

約数の個数: 16

約数和(自身を含む): 28465344

約数和(自身を除く): 8602323

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5813, 17439, 98821, 296463, 389471, 1168413, 6621007, 19863021]

約数ペア:

[(1, 19863021), (3, 6621007), (17, 1168413), (51, 389471), (67, 296463), (201, 98821), (1139, 17439), (3417, 5813)]