1881808

素因数分解:

$2^4\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:694

約数の個数: 20

約数和(自身を含む): 3667300

約数和(自身を除く): 1785492

約数列:

[1, 2, 4, 8, 16, 337, 349, 674, 698, 1348, 1396, 2696, 2792, 5392, 5584, 117613, 235226, 470452, 940904, 1881808]

約数ペア:

[(1, 1881808), (2, 940904), (4, 470452), (8, 235226), (16, 117613), (337, 5584), (349, 5392), (674, 2792), (698, 2696), (1348, 1396)]