19953728

素因数分解:

$2^6\times {\mathrm{139}}^1\times {\mathrm{2243}}^1$

素因数の和:2394

約数の個数: 28

約数和(自身を含む): 39898320

約数和(自身を除く): 19944592

約数列:

[1, 2, 4, 8, 16, 32, 64, 139, 278, 556, 1112, 2224, 2243, 4448, 4486, 8896, 8972, 17944, 35888, 71776, 143552, 311777, 623554, 1247108, 2494216, 4988432, 9976864, 19953728]

約数ペア:

[(1, 19953728), (2, 9976864), (4, 4988432), (8, 2494216), (16, 1247108), (32, 623554), (64, 311777), (139, 143552), (278, 71776), (556, 35888), (1112, 17944), (2224, 8972), (2243, 8896), (4448, 4486)]