18640384

素因数分解:

$2^9\times 7^2\times {\mathrm{743}}^1$

素因数の和:775

約数の個数: 60

約数和(自身を含む): 43383384

約数和(自身を除く): 24743000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 743, 784, 896, 1486, 1568, 1792, 2972, 3136, 3584, 5201, 5944, 6272, 10402, 11888, 12544, 20804, 23776, 25088, 36407, 41608, 47552, 72814, 83216, 95104, 145628, 166432, 190208, 291256, 332864, 380416, 582512, 665728, 1165024, 1331456, 2330048, 2662912, 4660096, 9320192, 18640384]

約数ペア:

[(1, 18640384), (2, 9320192), (4, 4660096), (7, 2662912), (8, 2330048), (14, 1331456), (16, 1165024), (28, 665728), (32, 582512), (49, 380416), (56, 332864), (64, 291256), (98, 190208), (112, 166432), (128, 145628), (196, 95104), (224, 83216), (256, 72814), (392, 47552), (448, 41608), (512, 36407), (743, 25088), (784, 23776), (896, 20804), (1486, 12544), (1568, 11888), (1792, 10402), (2972, 6272), (3136, 5944), (3584, 5201)]