19880073

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{3557}}^1$

素因数の和:3595

約数の個数: 24

約数和(自身を含む): 31082688

約数和(自身を除く): 11202615

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 3557, 5589, 10671, 32013, 81811, 96039, 245433, 288117, 736299, 864351, 2208897, 6626691, 19880073]

約数ペア:

[(1, 19880073), (3, 6626691), (9, 2208897), (23, 864351), (27, 736299), (69, 288117), (81, 245433), (207, 96039), (243, 81811), (621, 32013), (1863, 10671), (3557, 5589)]