19673780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140527}}^1$

素因数の和:140543

約数の個数: 24

約数和(自身を含む): 47217408

約数和(自身を除く): 27543628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140527, 281054, 562108, 702635, 983689, 1405270, 1967378, 2810540, 3934756, 4918445, 9836890, 19673780]

約数ペア:

[(1, 19673780), (2, 9836890), (4, 4918445), (5, 3934756), (7, 2810540), (10, 1967378), (14, 1405270), (20, 983689), (28, 702635), (35, 562108), (70, 281054), (140, 140527)]