19924815

素因数分解:

$3^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1301}}^1$

素因数の和:2330

約数の個数: 16

約数和(自身を含む): 31935456

約数和(自身を除く): 12010641

約数列:

[1, 3, 5, 15, 1021, 1301, 3063, 3903, 5105, 6505, 15315, 19515, 1328321, 3984963, 6641605, 19924815]

約数ペア:

[(1, 19924815), (3, 6641605), (5, 3984963), (15, 1328321), (1021, 19515), (1301, 15315), (3063, 6505), (3903, 5105)]