19802841

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4003}}^1$

素因数の和:4120

約数の個数: 16

約数和(自身を含む): 28252224

約数和(自身を除く): 8449383

約数列:

[1, 3, 17, 51, 97, 291, 1649, 4003, 4947, 12009, 68051, 204153, 388291, 1164873, 6600947, 19802841]

約数ペア:

[(1, 19802841), (3, 6600947), (17, 1164873), (51, 388291), (97, 204153), (291, 68051), (1649, 12009), (4003, 4947)]