19225856

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 42494760

約数和(自身を除く): 23268904

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 109, 128, 208, 212, 218, 256, 416, 424, 436, 689, 832, 848, 872, 1378, 1417, 1664, 1696, 1744, 2756, 2834, 3328, 3392, 3488, 5512, 5668, 5777, 6784, 6976, 11024, 11336, 11554, 13568, 13952, 22048, 22672, 23108, 27904, 44096, 45344, 46216, 75101, 88192, 90688, 92432, 150202, 176384, 181376, 184864, 300404, 362752, 369728, 600808, 739456, 1201616, 1478912, 2403232, 4806464, 9612928, 19225856]

約数ペア:

[(1, 19225856), (2, 9612928), (4, 4806464), (8, 2403232), (13, 1478912), (16, 1201616), (26, 739456), (32, 600808), (52, 369728), (53, 362752), (64, 300404), (104, 184864), (106, 181376), (109, 176384), (128, 150202), (208, 92432), (212, 90688), (218, 88192), (256, 75101), (416, 46216), (424, 45344), (436, 44096), (689, 27904), (832, 23108), (848, 22672), (872, 22048), (1378, 13952), (1417, 13568), (1664, 11554), (1696, 11336), (1744, 11024), (2756, 6976), (2834, 6784), (3328, 5777), (3392, 5668), (3488, 5512)]