19976961

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4801}}^1$

素因数の和:4896

約数の個数: 16

約数和(自身を含む): 28427840

約数和(自身を除く): 8450879

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 4801, 14403, 91219, 273657, 350473, 1051419, 6658987, 19976961]

約数ペア:

[(1, 19976961), (3, 6658987), (19, 1051419), (57, 350473), (73, 273657), (219, 91219), (1387, 14403), (4161, 4801)]