18964992

素因数分解:

$2^9\times 3^1\times {\mathrm{12347}}^1$

素因数の和:12368

約数の個数: 40

約数和(自身を含む): 50528016

約数和(自身を除く): 31563024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 12347, 24694, 37041, 49388, 74082, 98776, 148164, 197552, 296328, 395104, 592656, 790208, 1185312, 1580416, 2370624, 3160832, 4741248, 6321664, 9482496, 18964992]

約数ペア:

[(1, 18964992), (2, 9482496), (3, 6321664), (4, 4741248), (6, 3160832), (8, 2370624), (12, 1580416), (16, 1185312), (24, 790208), (32, 592656), (48, 395104), (64, 296328), (96, 197552), (128, 148164), (192, 98776), (256, 74082), (384, 49388), (512, 37041), (768, 24694), (1536, 12347)]