19727856

素因数分解:

$2^4\times 3^2\times {\mathrm{136999}}^1$

素因数の和:137013

約数の個数: 30

約数和(自身を含む): 55211000

約数和(自身を除く): 35483144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136999, 273998, 410997, 547996, 821994, 1095992, 1232991, 1643988, 2191984, 2465982, 3287976, 4931964, 6575952, 9863928, 19727856]

約数ペア:

[(1, 19727856), (2, 9863928), (3, 6575952), (4, 4931964), (6, 3287976), (8, 2465982), (9, 2191984), (12, 1643988), (16, 1232991), (18, 1095992), (24, 821994), (36, 547996), (48, 410997), (72, 273998), (144, 136999)]