19504208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39323}}^1$

素因数の和:39362

約数の個数: 20

約数和(自身を含む): 39009408

約数和(自身を除く): 19505200

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39323, 78646, 157292, 314584, 629168, 1219013, 2438026, 4876052, 9752104, 19504208]

約数ペア:

[(1, 19504208), (2, 9752104), (4, 4876052), (8, 2438026), (16, 1219013), (31, 629168), (62, 314584), (124, 157292), (248, 78646), (496, 39323)]