18918872

素因数分解:

$2^3\times 7^1\times {\mathrm{337837}}^1$

素因数の和:337850

約数の個数: 16

約数和(自身を含む): 40540560

約数和(自身を除く): 21621688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 337837, 675674, 1351348, 2364859, 2702696, 4729718, 9459436, 18918872]

約数ペア:

[(1, 18918872), (2, 9459436), (4, 4729718), (7, 2702696), (8, 2364859), (14, 1351348), (28, 675674), (56, 337837)]