18204160

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1$

素因数の和:583

約数の個数: 80

約数和(自身を含む): 47090736

約数和(自身を除く): 28886576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 547, 640, 832, 1040, 1094, 1280, 1664, 2080, 2188, 2560, 2735, 3328, 4160, 4376, 5470, 6656, 7111, 8320, 8752, 10940, 14222, 16640, 17504, 21880, 28444, 33280, 35008, 35555, 43760, 56888, 70016, 71110, 87520, 113776, 140032, 142220, 175040, 227552, 280064, 284440, 350080, 455104, 568880, 700160, 910208, 1137760, 1400320, 1820416, 2275520, 3640832, 4551040, 9102080, 18204160]

約数ペア:

[(1, 18204160), (2, 9102080), (4, 4551040), (5, 3640832), (8, 2275520), (10, 1820416), (13, 1400320), (16, 1137760), (20, 910208), (26, 700160), (32, 568880), (40, 455104), (52, 350080), (64, 284440), (65, 280064), (80, 227552), (104, 175040), (128, 142220), (130, 140032), (160, 113776), (208, 87520), (256, 71110), (260, 70016), (320, 56888), (416, 43760), (512, 35555), (520, 35008), (547, 33280), (640, 28444), (832, 21880), (1040, 17504), (1094, 16640), (1280, 14222), (1664, 10940), (2080, 8752), (2188, 8320), (2560, 7111), (2735, 6656), (3328, 5470), (4160, 4376)]