19425389

素因数分解:

${\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 16

約数和(自身を含む): 20832000

約数和(自身を除く): 1406611

約数列:

[1, 29, 61, 79, 139, 1769, 2291, 4031, 4819, 8479, 10981, 139751, 245891, 318449, 669841, 19425389]

約数ペア:

[(1, 19425389), (29, 669841), (61, 318449), (79, 245891), (139, 139751), (1769, 10981), (2291, 8479), (4031, 4819)]