19571504

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18257}}^1$

素因数の和:18332

約数の個数: 20

約数和(自身を含む): 38487864

約数和(自身を除く): 18916360

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18257, 36514, 73028, 146056, 292112, 1223219, 2446438, 4892876, 9785752, 19571504]

約数ペア:

[(1, 19571504), (2, 9785752), (4, 4892876), (8, 2446438), (16, 1223219), (67, 292112), (134, 146056), (268, 73028), (536, 36514), (1072, 18257)]