18984777

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{5987}}^1$

素因数の和:6148

約数の個数: 16

約数和(自身を含む): 29125632

約数和(自身を除く): 10140855

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 5987, 17961, 41909, 125727, 904037, 2712111, 6328259, 18984777]

約数ペア:

[(1, 18984777), (3, 6328259), (7, 2712111), (21, 904037), (151, 125727), (453, 41909), (1057, 17961), (3171, 5987)]