19502018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1123}}^1$

素因数の和:1601

約数の個数: 16

約数和(自身を含む): 30887520

約数和(自身を除く): 11385502

約数列:

[1, 2, 19, 38, 457, 914, 1123, 2246, 8683, 17366, 21337, 42674, 513211, 1026422, 9751009, 19502018]

約数ペア:

[(1, 19502018), (2, 9751009), (19, 1026422), (38, 513211), (457, 42674), (914, 21337), (1123, 17366), (2246, 8683)]