19571884

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:865

約数の個数: 24

約数和(自身を含む): 35128688

約数和(自身を除く): 15556804

約数列:

[1, 2, 4, 73, 97, 146, 194, 292, 388, 691, 1382, 2764, 7081, 14162, 28324, 50443, 67027, 100886, 134054, 201772, 268108, 4892971, 9785942, 19571884]

約数ペア:

[(1, 19571884), (2, 9785942), (4, 4892971), (73, 268108), (97, 201772), (146, 134054), (194, 100886), (292, 67027), (388, 50443), (691, 28324), (1382, 14162), (2764, 7081)]