19642376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{188869}}^1$

素因数の和:188888

約数の個数: 16

約数和(自身を含む): 39662700

約数和(自身を除く): 20020324

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 188869, 377738, 755476, 1510952, 2455297, 4910594, 9821188, 19642376]

約数ペア:

[(1, 19642376), (2, 9821188), (4, 4910594), (8, 2455297), (13, 1510952), (26, 755476), (52, 377738), (104, 188869)]