19703890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{45823}}^1$

素因数の和:45873

約数の個数: 16

約数和(自身を含む): 36292608

約数和(自身を除く): 16588718

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 45823, 91646, 229115, 458230, 1970389, 3940778, 9851945, 19703890]

約数ペア:

[(1, 19703890), (2, 9851945), (5, 3940778), (10, 1970389), (43, 458230), (86, 229115), (215, 91646), (430, 45823)]