19964608

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{8431}}^1$

素因数の和:8480

約数の個数: 28

約数和(自身を含む): 40692832

約数和(自身を除く): 20728224

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 592, 1184, 2368, 8431, 16862, 33724, 67448, 134896, 269792, 311947, 539584, 623894, 1247788, 2495576, 4991152, 9982304, 19964608]

約数ペア:

[(1, 19964608), (2, 9982304), (4, 4991152), (8, 2495576), (16, 1247788), (32, 623894), (37, 539584), (64, 311947), (74, 269792), (148, 134896), (296, 67448), (592, 33724), (1184, 16862), (2368, 8431)]