31821238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^2$

素因数の和:304

約数の個数: 24

約数和(自身を含む): 51337800

約数和(自身を除く): 19516562

約数列:

[1, 2, 19, 38, 89, 97, 178, 194, 1691, 1843, 3382, 3686, 8633, 9409, 17266, 18818, 164027, 178771, 328054, 357542, 837401, 1674802, 15910619, 31821238]

約数ペア:

[(1, 31821238), (2, 15910619), (19, 1674802), (38, 837401), (89, 357542), (97, 328054), (178, 178771), (194, 164027), (1691, 18818), (1843, 17266), (3382, 9409), (3686, 8633)]