2019115555

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1\times {\mathrm{6421}}^1$

素因数の和:7518

約数の個数: 16

約数和(自身を含む): 2465431488

約数和(自身を除く): 446315933

約数列:

[1, 5, 61, 305, 1031, 5155, 6421, 32105, 62891, 314455, 391681, 1958405, 6620051, 33100255, 403823111, 2019115555]

約数ペア:

[(1, 2019115555), (5, 403823111), (61, 33100255), (305, 6620051), (1031, 1958405), (5155, 391681), (6421, 314455), (32105, 62891)]