2018731904

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{72679}}^1$

素因数の和:72731

約数の個数: 64

約数和(自身を含む): 4744550400

約数和(自身を除く): 2725818496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1984, 3472, 3968, 6944, 13888, 27776, 72679, 145358, 290716, 508753, 581432, 1017506, 1162864, 2035012, 2253049, 2325728, 4070024, 4506098, 4651456, 8140048, 9012196, 9302912, 15771343, 16280096, 18024392, 31542686, 32560192, 36048784, 63085372, 65120384, 72097568, 126170744, 144195136, 252341488, 288390272, 504682976, 1009365952, 2018731904]

約数ペア:

[(1, 2018731904), (2, 1009365952), (4, 504682976), (7, 288390272), (8, 252341488), (14, 144195136), (16, 126170744), (28, 72097568), (31, 65120384), (32, 63085372), (56, 36048784), (62, 32560192), (64, 31542686), (112, 18024392), (124, 16280096), (128, 15771343), (217, 9302912), (224, 9012196), (248, 8140048), (434, 4651456), (448, 4506098), (496, 4070024), (868, 2325728), (896, 2253049), (992, 2035012), (1736, 1162864), (1984, 1017506), (3472, 581432), (3968, 508753), (6944, 290716), (13888, 145358), (27776, 72679)]