19419904

素因数分解:

$2^8\times 7^1\times {\mathrm{10837}}^1$

素因数の和:10860

約数の個数: 36

約数和(自身を含む): 44305744

約数和(自身を除く): 24885840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 10837, 21674, 43348, 75859, 86696, 151718, 173392, 303436, 346784, 606872, 693568, 1213744, 1387136, 2427488, 2774272, 4854976, 9709952, 19419904]

約数ペア:

[(1, 19419904), (2, 9709952), (4, 4854976), (7, 2774272), (8, 2427488), (14, 1387136), (16, 1213744), (28, 693568), (32, 606872), (56, 346784), (64, 303436), (112, 173392), (128, 151718), (224, 86696), (256, 75859), (448, 43348), (896, 21674), (1792, 10837)]