19731608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 42517440

約数和(自身を除く): 22785832

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 73, 92, 104, 113, 146, 184, 226, 292, 299, 452, 584, 598, 904, 949, 1196, 1469, 1679, 1898, 2392, 2599, 2938, 3358, 3796, 5198, 5876, 6716, 7592, 8249, 10396, 11752, 13432, 16498, 20792, 21827, 32996, 33787, 43654, 65992, 67574, 87308, 107237, 135148, 174616, 189727, 214474, 270296, 379454, 428948, 758908, 857896, 1517816, 2466451, 4932902, 9865804, 19731608]

約数ペア:

[(1, 19731608), (2, 9865804), (4, 4932902), (8, 2466451), (13, 1517816), (23, 857896), (26, 758908), (46, 428948), (52, 379454), (73, 270296), (92, 214474), (104, 189727), (113, 174616), (146, 135148), (184, 107237), (226, 87308), (292, 67574), (299, 65992), (452, 43654), (584, 33787), (598, 32996), (904, 21827), (949, 20792), (1196, 16498), (1469, 13432), (1679, 11752), (1898, 10396), (2392, 8249), (2599, 7592), (2938, 6716), (3358, 5876), (3796, 5198)]