18990130

素因数分解:

$2^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{3631}}^1$

素因数の和:4161

約数の個数: 16

約数和(自身を含む): 34257024

約数和(自身を除く): 15266894

約数列:

[1, 2, 5, 10, 523, 1046, 2615, 3631, 5230, 7262, 18155, 36310, 1899013, 3798026, 9495065, 18990130]

約数ペア:

[(1, 18990130), (2, 9495065), (5, 3798026), (10, 1899013), (523, 36310), (1046, 18155), (2615, 7262), (3631, 5230)]