19826944

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{1889}}^1$

素因数の和:1946

約数の個数: 36

約数和(自身を含む): 40563180

約数和(自身を除く): 20736236

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 1889, 2624, 3778, 5248, 7556, 10496, 15112, 30224, 60448, 77449, 120896, 154898, 241792, 309796, 483584, 619592, 1239184, 2478368, 4956736, 9913472, 19826944]

約数ペア:

[(1, 19826944), (2, 9913472), (4, 4956736), (8, 2478368), (16, 1239184), (32, 619592), (41, 483584), (64, 309796), (82, 241792), (128, 154898), (164, 120896), (256, 77449), (328, 60448), (656, 30224), (1312, 15112), (1889, 10496), (2624, 7556), (3778, 5248)]