18309280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 48117888

約数和(自身を除く): 29808608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 103, 110, 160, 176, 202, 206, 220, 352, 404, 412, 440, 505, 515, 808, 824, 880, 1010, 1030, 1111, 1133, 1616, 1648, 1760, 2020, 2060, 2222, 2266, 3232, 3296, 4040, 4120, 4444, 4532, 5555, 5665, 8080, 8240, 8888, 9064, 10403, 11110, 11330, 16160, 16480, 17776, 18128, 20806, 22220, 22660, 35552, 36256, 41612, 44440, 45320, 52015, 83224, 88880, 90640, 104030, 114433, 166448, 177760, 181280, 208060, 228866, 332896, 416120, 457732, 572165, 832240, 915464, 1144330, 1664480, 1830928, 2288660, 3661856, 4577320, 9154640, 18309280]

約数ペア:

[(1, 18309280), (2, 9154640), (4, 4577320), (5, 3661856), (8, 2288660), (10, 1830928), (11, 1664480), (16, 1144330), (20, 915464), (22, 832240), (32, 572165), (40, 457732), (44, 416120), (55, 332896), (80, 228866), (88, 208060), (101, 181280), (103, 177760), (110, 166448), (160, 114433), (176, 104030), (202, 90640), (206, 88880), (220, 83224), (352, 52015), (404, 45320), (412, 44440), (440, 41612), (505, 36256), (515, 35552), (808, 22660), (824, 22220), (880, 20806), (1010, 18128), (1030, 17776), (1111, 16480), (1133, 16160), (1616, 11330), (1648, 11110), (1760, 10403), (2020, 9064), (2060, 8888), (2222, 8240), (2266, 8080), (3232, 5665), (3296, 5555), (4040, 4532), (4120, 4444)]