19928758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{1123}}^1$

素因数の和:1611

約数の個数: 16

約数和(自身を含む): 31561920

約数和(自身を除く): 11633162

約数列:

[1, 2, 19, 38, 467, 934, 1123, 2246, 8873, 17746, 21337, 42674, 524441, 1048882, 9964379, 19928758]

約数ペア:

[(1, 19928758), (2, 9964379), (19, 1048882), (38, 524441), (467, 42674), (934, 21337), (1123, 17746), (2246, 8873)]