18937730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270539}}^1$

素因数の和:270553

約数の個数: 16

約数和(自身を含む): 38957760

約数和(自身を除く): 20020030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270539, 541078, 1352695, 1893773, 2705390, 3787546, 9468865, 18937730]

約数ペア:

[(1, 18937730), (2, 9468865), (5, 3787546), (7, 2705390), (10, 1893773), (14, 1352695), (35, 541078), (70, 270539)]