19787139694

素因数分解:

$2^1\times 7^1\times {\mathrm{1097}}^1\times {\mathrm{1288393}}^1$

素因数の和:1289499

約数の個数: 16

約数和(自身を含む): 33951758688

約数和(自身を除く): 14164618994

約数列:

[1, 2, 7, 14, 1097, 2194, 7679, 15358, 1288393, 2576786, 9018751, 18037502, 1413367121, 2826734242, 9893569847, 19787139694]

約数ペア:

[(1, 19787139694), (2, 9893569847), (7, 2826734242), (14, 1413367121), (1097, 18037502), (2194, 9018751), (7679, 2576786), (15358, 1288393)]