19078623

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 28398240

約数和(自身を除く): 9319617

約数列:

[1, 3, 9, 71, 73, 213, 219, 409, 639, 657, 1227, 3681, 5183, 15549, 29039, 29857, 46647, 87117, 89571, 261351, 268713, 2119847, 6359541, 19078623]

約数ペア:

[(1, 19078623), (3, 6359541), (9, 2119847), (71, 268713), (73, 261351), (213, 89571), (219, 87117), (409, 46647), (639, 29857), (657, 29039), (1227, 15549), (3681, 5183)]