19715851904

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1158121}}^1$

素因数の和:1158161

約数の個数: 64

約数和(自身を含む): 47251377600

約数和(自身を除く): 27535525696

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, 1216, 2128, 2432, 4256, 8512, 17024, 1158121, 2316242, 4632484, 8106847, 9264968, 16213694, 18529936, 22004299, 32427388, 37059872, 44008598, 64854776, 74119744, 88017196, 129709552, 148239488, 154030093, 176034392, 259419104, 308060186, 352068784, 518838208, 616120372, 704137568, 1037676416, 1232240744, 1408275136, 2464481488, 2816550272, 4928962976, 9857925952, 19715851904]

約数ペア:

[(1, 19715851904), (2, 9857925952), (4, 4928962976), (7, 2816550272), (8, 2464481488), (14, 1408275136), (16, 1232240744), (19, 1037676416), (28, 704137568), (32, 616120372), (38, 518838208), (56, 352068784), (64, 308060186), (76, 259419104), (112, 176034392), (128, 154030093), (133, 148239488), (152, 129709552), (224, 88017196), (266, 74119744), (304, 64854776), (448, 44008598), (532, 37059872), (608, 32427388), (896, 22004299), (1064, 18529936), (1216, 16213694), (2128, 9264968), (2432, 8106847), (4256, 4632484), (8512, 2316242), (17024, 1158121)]