18526720

素因数分解:

$2^9\times 5^1\times {\mathrm{7237}}^1$

素因数の和:7260

約数の個数: 40

約数和(自身を含む): 44426844

約数和(自身を除く): 25900124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7237, 14474, 28948, 36185, 57896, 72370, 115792, 144740, 231584, 289480, 463168, 578960, 926336, 1157920, 1852672, 2315840, 3705344, 4631680, 9263360, 18526720]

約数ペア:

[(1, 18526720), (2, 9263360), (4, 4631680), (5, 3705344), (8, 2315840), (10, 1852672), (16, 1157920), (20, 926336), (32, 578960), (40, 463168), (64, 289480), (80, 231584), (128, 144740), (160, 115792), (256, 72370), (320, 57896), (512, 36185), (640, 28948), (1280, 14474), (2560, 7237)]