19818176

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1477

約数の個数: 56

約数和(自身を含む): 46427136

約数和(自身を除く): 26608960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1427, 1736, 1984, 2854, 3472, 5708, 6944, 9989, 11416, 13888, 19978, 22832, 39956, 44237, 45664, 79912, 88474, 91328, 159824, 176948, 309659, 319648, 353896, 619318, 639296, 707792, 1238636, 1415584, 2477272, 2831168, 4954544, 9909088, 19818176]

約数ペア:

[(1, 19818176), (2, 9909088), (4, 4954544), (7, 2831168), (8, 2477272), (14, 1415584), (16, 1238636), (28, 707792), (31, 639296), (32, 619318), (56, 353896), (62, 319648), (64, 309659), (112, 176948), (124, 159824), (217, 91328), (224, 88474), (248, 79912), (434, 45664), (448, 44237), (496, 39956), (868, 22832), (992, 19978), (1427, 13888), (1736, 11416), (1984, 9989), (2854, 6944), (3472, 5708)]