18744320

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{523}}^1$

素因数の和:555

約数の個数: 88

約数和(自身を含む): 51486144

約数和(自身を除く): 32741824

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 523, 560, 640, 896, 1024, 1046, 1120, 1280, 1792, 2092, 2240, 2560, 2615, 3584, 3661, 4184, 4480, 5120, 5230, 7168, 7322, 8368, 8960, 10460, 14644, 16736, 17920, 18305, 20920, 29288, 33472, 35840, 36610, 41840, 58576, 66944, 73220, 83680, 117152, 133888, 146440, 167360, 234304, 267776, 292880, 334720, 468608, 535552, 585760, 669440, 937216, 1171520, 1338880, 1874432, 2343040, 2677760, 3748864, 4686080, 9372160, 18744320]

約数ペア:

[(1, 18744320), (2, 9372160), (4, 4686080), (5, 3748864), (7, 2677760), (8, 2343040), (10, 1874432), (14, 1338880), (16, 1171520), (20, 937216), (28, 669440), (32, 585760), (35, 535552), (40, 468608), (56, 334720), (64, 292880), (70, 267776), (80, 234304), (112, 167360), (128, 146440), (140, 133888), (160, 117152), (224, 83680), (256, 73220), (280, 66944), (320, 58576), (448, 41840), (512, 36610), (523, 35840), (560, 33472), (640, 29288), (896, 20920), (1024, 18305), (1046, 17920), (1120, 16736), (1280, 14644), (1792, 10460), (2092, 8960), (2240, 8368), (2560, 7322), (2615, 7168), (3584, 5230), (3661, 5120), (4184, 4480)]