19897010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{284243}}^1$

素因数の和:284257

約数の個数: 16

約数和(自身を含む): 40931136

約数和(自身を除く): 21034126

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 284243, 568486, 1421215, 1989701, 2842430, 3979402, 9948505, 19897010]

約数ペア:

[(1, 19897010), (2, 9948505), (5, 3979402), (7, 2842430), (10, 1989701), (14, 1421215), (35, 568486), (70, 284243)]