19999404

素因数分解:

$2^2\times 3^2\times {\mathrm{433}}^1\times {\mathrm{1283}}^1$

素因数の和:1726

約数の個数: 36

約数和(自身を含む): 50710296

約数和(自身を除く): 30710892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 433, 866, 1283, 1299, 1732, 2566, 2598, 3849, 3897, 5132, 5196, 7698, 7794, 11547, 15396, 15588, 23094, 46188, 555539, 1111078, 1666617, 2222156, 3333234, 4999851, 6666468, 9999702, 19999404]

約数ペア:

[(1, 19999404), (2, 9999702), (3, 6666468), (4, 4999851), (6, 3333234), (9, 2222156), (12, 1666617), (18, 1111078), (36, 555539), (433, 46188), (866, 23094), (1283, 15588), (1299, 15396), (1732, 11547), (2566, 7794), (2598, 7698), (3849, 5196), (3897, 5132)]