19691399515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{3727}}^1\times {\mathrm{45943}}^1$

素因数の和:49698

約数の個数: 16

約数和(自身を含む): 24664209408

約数和(自身を除く): 4972809893

約数列:

[1, 5, 23, 115, 3727, 18635, 45943, 85721, 229715, 428605, 1056689, 5283445, 171229561, 856147805, 3938279903, 19691399515]

約数ペア:

[(1, 19691399515), (5, 3938279903), (23, 856147805), (115, 171229561), (3727, 5283445), (18635, 1056689), (45943, 428605), (85721, 229715)]