19628672

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1193

約数の個数: 64

約数和(自身を含む): 47083200

約数和(自身を除く): 27454528

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1153, 1216, 2128, 2306, 2432, 4256, 4612, 8071, 8512, 9224, 16142, 17024, 18448, 21907, 32284, 36896, 43814, 64568, 73792, 87628, 129136, 147584, 153349, 175256, 258272, 306698, 350512, 516544, 613396, 701024, 1033088, 1226792, 1402048, 2453584, 2804096, 4907168, 9814336, 19628672]

約数ペア:

[(1, 19628672), (2, 9814336), (4, 4907168), (7, 2804096), (8, 2453584), (14, 1402048), (16, 1226792), (19, 1033088), (28, 701024), (32, 613396), (38, 516544), (56, 350512), (64, 306698), (76, 258272), (112, 175256), (128, 153349), (133, 147584), (152, 129136), (224, 87628), (266, 73792), (304, 64568), (448, 43814), (532, 36896), (608, 32284), (896, 21907), (1064, 18448), (1153, 17024), (1216, 16142), (2128, 9224), (2306, 8512), (2432, 8071), (4256, 4612)]