19879107

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4723}}^1$

素因数の和:4810

約数の個数: 16

約数和(自身を含む): 28117248

約数和(自身を除く): 8238141

約数列:

[1, 3, 23, 61, 69, 183, 1403, 4209, 4723, 14169, 108629, 288103, 325887, 864309, 6626369, 19879107]

約数ペア:

[(1, 19879107), (3, 6626369), (23, 864309), (61, 325887), (69, 288103), (183, 108629), (1403, 14169), (4209, 4723)]