20181952

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2409

約数の個数: 56

約数和(自身を含む): 48199040

約数和(自身を除く): 28017088

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 2371, 4256, 4742, 8512, 9484, 16597, 18968, 33194, 37936, 45049, 66388, 75872, 90098, 132776, 151744, 180196, 265552, 315343, 360392, 531104, 630686, 720784, 1062208, 1261372, 1441568, 2522744, 2883136, 5045488, 10090976, 20181952]

約数ペア:

[(1, 20181952), (2, 10090976), (4, 5045488), (7, 2883136), (8, 2522744), (14, 1441568), (16, 1261372), (19, 1062208), (28, 720784), (32, 630686), (38, 531104), (56, 360392), (64, 315343), (76, 265552), (112, 180196), (133, 151744), (152, 132776), (224, 90098), (266, 75872), (304, 66388), (448, 45049), (532, 37936), (608, 33194), (1064, 18968), (1216, 16597), (2128, 9484), (2371, 8512), (4256, 4742)]