19745934

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{253153}}^1$

素因数の和:253171

約数の個数: 16

約数和(自身を含む): 42529872

約数和(自身を除く): 22783938

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 253153, 506306, 759459, 1518918, 3290989, 6581978, 9872967, 19745934]

約数ペア:

[(1, 19745934), (2, 9872967), (3, 6581978), (6, 3290989), (13, 1518918), (26, 759459), (39, 506306), (78, 253153)]