19403734

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22721}}^1$

素因数の和:22791

約数の個数: 16

約数和(自身を含む): 33810336

約数和(自身を除く): 14406602

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 22721, 45442, 159047, 318094, 1385981, 2771962, 9701867, 19403734]

約数ペア:

[(1, 19403734), (2, 9701867), (7, 2771962), (14, 1385981), (61, 318094), (122, 159047), (427, 45442), (854, 22721)]