18880568

素因数分解:

$2^3\times 7^1\times {\mathrm{337153}}^1$

素因数の和:337166

約数の個数: 16

約数和(自身を含む): 40458480

約数和(自身を除く): 21577912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337153, 674306, 1348612, 2360071, 2697224, 4720142, 9440284, 18880568]

約数ペア:

[(1, 18880568), (2, 9440284), (4, 4720142), (7, 2697224), (8, 2360071), (14, 1348612), (28, 674306), (56, 337153)]