18420537

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{953}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 26101440

約数和(自身を除く): 7680903

約数列:

[1, 3, 17, 51, 379, 953, 1137, 2859, 6443, 16201, 19329, 48603, 361187, 1083561, 6140179, 18420537]

約数ペア:

[(1, 18420537), (3, 6140179), (17, 1083561), (51, 361187), (379, 48603), (953, 19329), (1137, 16201), (2859, 6443)]