19885438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1931}}^1$

素因数の和:2223

約数の個数: 16

約数和(自身を含む): 31530240

約数和(自身を除く): 11644802

約数列:

[1, 2, 19, 38, 271, 542, 1931, 3862, 5149, 10298, 36689, 73378, 523301, 1046602, 9942719, 19885438]

約数ペア:

[(1, 19885438), (2, 9942719), (19, 1046602), (38, 523301), (271, 73378), (542, 36689), (1931, 10298), (3862, 5149)]