19116381

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 9775779

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 379, 391, 731, 989, 1137, 1173, 2193, 2967, 6443, 8717, 16297, 16813, 19329, 26151, 48891, 50439, 148189, 277049, 374831, 444567, 831147, 1124493, 6372127, 19116381]

約数ペア:

[(1, 19116381), (3, 6372127), (17, 1124493), (23, 831147), (43, 444567), (51, 374831), (69, 277049), (129, 148189), (379, 50439), (391, 48891), (731, 26151), (989, 19329), (1137, 16813), (1173, 16297), (2193, 8717), (2967, 6443)]