19547198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20663}}^1$

素因数の和:20719

約数の個数: 16

約数和(自身を含む): 32731776

約数和(自身を除く): 13184578

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20663, 41326, 227293, 454586, 888509, 1777018, 9773599, 19547198]

約数ペア:

[(1, 19547198), (2, 9773599), (11, 1777018), (22, 888509), (43, 454586), (86, 227293), (473, 41326), (946, 20663)]