19400318

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22717}}^1$

素因数の和:22787

約数の個数: 16

約数和(自身を含む): 33804384

約数和(自身を除く): 14404066

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 22717, 45434, 159019, 318038, 1385737, 2771474, 9700159, 19400318]

約数ペア:

[(1, 19400318), (2, 9700159), (7, 2771474), (14, 1385737), (61, 318038), (122, 159019), (427, 45434), (854, 22717)]