19868994

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{15121}}^1$

素因数の和:15202

約数の個数: 24

約数和(自身を含む): 43642092

約数和(自身を除く): 23773098

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 15121, 30242, 45363, 90726, 136089, 272178, 1103833, 2207666, 3311499, 6622998, 9934497, 19868994]

約数ペア:

[(1, 19868994), (2, 9934497), (3, 6622998), (6, 3311499), (9, 2207666), (18, 1103833), (73, 272178), (146, 136089), (219, 90726), (438, 45363), (657, 30242), (1314, 15121)]