19493117

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1031}}^1$

素因数の和:1148

約数の個数: 16

約数和(自身を含む): 23215872

約数和(自身を除く): 3722755

約数列:

[1, 7, 37, 73, 259, 511, 1031, 2701, 7217, 18907, 38147, 75263, 267029, 526841, 2784731, 19493117]

約数ペア:

[(1, 19493117), (7, 2784731), (37, 526841), (73, 267029), (259, 75263), (511, 38147), (1031, 18907), (2701, 7217)]