18385617920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{47}}^1\times {\mathrm{76403}}^1$

素因数の和:76475

約数の個数: 88

約数和(自身を含む): 45042908544

約数和(自身を除く): 26657290624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 640, 752, 940, 1024, 1280, 1504, 1880, 2560, 3008, 3760, 5120, 6016, 7520, 12032, 15040, 24064, 30080, 48128, 60160, 76403, 120320, 152806, 240640, 305612, 382015, 611224, 764030, 1222448, 1528060, 2444896, 3056120, 3590941, 4889792, 6112240, 7181882, 9779584, 12224480, 14363764, 17954705, 19559168, 24448960, 28727528, 35909410, 39118336, 48897920, 57455056, 71818820, 78236672, 97795840, 114910112, 143637640, 195591680, 229820224, 287275280, 391183360, 459640448, 574550560, 919280896, 1149101120, 1838561792, 2298202240, 3677123584, 4596404480, 9192808960, 18385617920]

約数ペア:

[(1, 18385617920), (2, 9192808960), (4, 4596404480), (5, 3677123584), (8, 2298202240), (10, 1838561792), (16, 1149101120), (20, 919280896), (32, 574550560), (40, 459640448), (47, 391183360), (64, 287275280), (80, 229820224), (94, 195591680), (128, 143637640), (160, 114910112), (188, 97795840), (235, 78236672), (256, 71818820), (320, 57455056), (376, 48897920), (470, 39118336), (512, 35909410), (640, 28727528), (752, 24448960), (940, 19559168), (1024, 17954705), (1280, 14363764), (1504, 12224480), (1880, 9779584), (2560, 7181882), (3008, 6112240), (3760, 4889792), (5120, 3590941), (6016, 3056120), (7520, 2444896), (12032, 1528060), (15040, 1222448), (24064, 764030), (30080, 611224), (48128, 382015), (60160, 305612), (76403, 240640), (120320, 152806)]