18220976

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{21487}}^1$

素因数の和:21548

約数の個数: 20

約数和(自身を含む): 35970912

約数和(自身を除く): 17749936

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 21487, 42974, 85948, 171896, 343792, 1138811, 2277622, 4555244, 9110488, 18220976]

約数ペア:

[(1, 18220976), (2, 9110488), (4, 4555244), (8, 2277622), (16, 1138811), (53, 343792), (106, 171896), (212, 85948), (424, 42974), (848, 21487)]