17945620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 48254976

約数和(自身を除く): 30309356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 271, 301, 308, 385, 430, 473, 542, 602, 770, 860, 946, 1084, 1204, 1355, 1505, 1540, 1892, 1897, 2365, 2710, 2981, 3010, 3311, 3794, 4730, 5420, 5962, 6020, 6622, 7588, 9460, 9485, 11653, 11924, 13244, 14905, 16555, 18970, 20867, 23306, 29810, 33110, 37940, 41734, 46612, 58265, 59620, 66220, 81571, 83468, 104335, 116530, 128183, 163142, 208670, 233060, 256366, 326284, 407855, 417340, 512732, 640915, 815710, 897281, 1281830, 1631420, 1794562, 2563660, 3589124, 4486405, 8972810, 17945620]

約数ペア:

[(1, 17945620), (2, 8972810), (4, 4486405), (5, 3589124), (7, 2563660), (10, 1794562), (11, 1631420), (14, 1281830), (20, 897281), (22, 815710), (28, 640915), (35, 512732), (43, 417340), (44, 407855), (55, 326284), (70, 256366), (77, 233060), (86, 208670), (110, 163142), (140, 128183), (154, 116530), (172, 104335), (215, 83468), (220, 81571), (271, 66220), (301, 59620), (308, 58265), (385, 46612), (430, 41734), (473, 37940), (542, 33110), (602, 29810), (770, 23306), (860, 20867), (946, 18970), (1084, 16555), (1204, 14905), (1355, 13244), (1505, 11924), (1540, 11653), (1892, 9485), (1897, 9460), (2365, 7588), (2710, 6622), (2981, 6020), (3010, 5962), (3311, 5420), (3794, 4730)]