19728848

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53611}}^1$

素因数の和:53642

約数の個数: 20

約数和(自身を含む): 39887328

約数和(自身を除く): 20158480

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53611, 107222, 214444, 428888, 857776, 1233053, 2466106, 4932212, 9864424, 19728848]

約数ペア:

[(1, 19728848), (2, 9864424), (4, 4932212), (8, 2466106), (16, 1233053), (23, 857776), (46, 428888), (92, 214444), (184, 107222), (368, 53611)]