18835040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 51819264

約数和(自身を除く): 32984224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 80, 112, 134, 140, 160, 224, 251, 268, 280, 335, 469, 502, 536, 560, 670, 938, 1004, 1072, 1120, 1255, 1340, 1757, 1876, 2008, 2144, 2345, 2510, 2680, 3514, 3752, 4016, 4690, 5020, 5360, 7028, 7504, 8032, 8785, 9380, 10040, 10720, 14056, 15008, 16817, 17570, 18760, 20080, 28112, 33634, 35140, 37520, 40160, 56224, 67268, 70280, 75040, 84085, 117719, 134536, 140560, 168170, 235438, 269072, 281120, 336340, 470876, 538144, 588595, 672680, 941752, 1177190, 1345360, 1883504, 2354380, 2690720, 3767008, 4708760, 9417520, 18835040]

約数ペア:

[(1, 18835040), (2, 9417520), (4, 4708760), (5, 3767008), (7, 2690720), (8, 2354380), (10, 1883504), (14, 1345360), (16, 1177190), (20, 941752), (28, 672680), (32, 588595), (35, 538144), (40, 470876), (56, 336340), (67, 281120), (70, 269072), (80, 235438), (112, 168170), (134, 140560), (140, 134536), (160, 117719), (224, 84085), (251, 75040), (268, 70280), (280, 67268), (335, 56224), (469, 40160), (502, 37520), (536, 35140), (560, 33634), (670, 28112), (938, 20080), (1004, 18760), (1072, 17570), (1120, 16817), (1255, 15008), (1340, 14056), (1757, 10720), (1876, 10040), (2008, 9380), (2144, 8785), (2345, 8032), (2510, 7504), (2680, 7028), (3514, 5360), (3752, 5020), (4016, 4690)]