19403979

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{15661}}^1$

素因数の和:15730

約数の個数: 16

約数和(自身を含む): 30071040

約数和(自身を除く): 10667061

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 15661, 46983, 109627, 328881, 923999, 2771997, 6467993, 19403979]

約数ペア:

[(1, 19403979), (3, 6467993), (7, 2771997), (21, 923999), (59, 328881), (177, 109627), (413, 46983), (1239, 15661)]