18281984

素因数分解:

$2^9\times 7^1\times {\mathrm{5101}}^1$

素因数の和:5126

約数の個数: 40

約数和(自身を含む): 41754768

約数和(自身を除く): 23472784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5101, 10202, 20404, 35707, 40808, 71414, 81616, 142828, 163232, 285656, 326464, 571312, 652928, 1142624, 1305856, 2285248, 2611712, 4570496, 9140992, 18281984]

約数ペア:

[(1, 18281984), (2, 9140992), (4, 4570496), (7, 2611712), (8, 2285248), (14, 1305856), (16, 1142624), (28, 652928), (32, 571312), (56, 326464), (64, 285656), (112, 163232), (128, 142828), (224, 81616), (256, 71414), (448, 40808), (512, 35707), (896, 20404), (1792, 10202), (3584, 5101)]