19847504

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{5879}}^1$

素因数の和:6098

約数の個数: 20

約数和(自身を含む): 38643360

約数和(自身を除く): 18795856

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 5879, 11758, 23516, 47032, 94064, 1240469, 2480938, 4961876, 9923752, 19847504]

約数ペア:

[(1, 19847504), (2, 9923752), (4, 4961876), (8, 2480938), (16, 1240469), (211, 94064), (422, 47032), (844, 23516), (1688, 11758), (3376, 5879)]