16281904

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{7321}}^1$

素因数の和:7468

約数の個数: 20

約数和(自身を含む): 31777480

約数和(自身を除く): 15495576

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 7321, 14642, 29284, 58568, 117136, 1017619, 2035238, 4070476, 8140952, 16281904]

約数ペア:

[(1, 16281904), (2, 8140952), (4, 4070476), (8, 2035238), (16, 1017619), (139, 117136), (278, 58568), (556, 29284), (1112, 14642), (2224, 7321)]