16981218

素因数分解:

$2^1\times 3^3\times {\mathrm{314467}}^1$

素因数の和:314478

約数の個数: 16

約数和(自身を含む): 37736160

約数和(自身を除く): 20754942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 314467, 628934, 943401, 1886802, 2830203, 5660406, 8490609, 16981218]

約数ペア:

[(1, 16981218), (2, 8490609), (3, 5660406), (6, 2830203), (9, 1886802), (18, 943401), (27, 628934), (54, 314467)]