19172938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21937}}^1$

素因数の和:21981

約数の個数: 16

約数和(自身を含む): 31590720

約数和(自身を除く): 12417782

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21937, 43874, 416803, 504551, 833606, 1009102, 9586469, 19172938]

約数ペア:

[(1, 19172938), (2, 9586469), (19, 1009102), (23, 833606), (38, 504551), (46, 416803), (437, 43874), (874, 21937)]