19426864

素因数分解:

$2^4\times {\mathrm{1087}}^1\times {\mathrm{1117}}^1$

素因数の和:2212

約数の個数: 20

約数和(自身を含む): 37707904

約数和(自身を除く): 18281040

約数列:

[1, 2, 4, 8, 16, 1087, 1117, 2174, 2234, 4348, 4468, 8696, 8936, 17392, 17872, 1214179, 2428358, 4856716, 9713432, 19426864]

約数ペア:

[(1, 19426864), (2, 9713432), (4, 4856716), (8, 2428358), (16, 1214179), (1087, 17872), (1117, 17392), (2174, 8936), (2234, 8696), (4348, 4468)]