17985968

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1162

約数の個数: 80

約数和(自身を含む): 46830336

約数和(自身を除く): 28844368

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1123, 1144, 1232, 1456, 2002, 2246, 2288, 4004, 4492, 7861, 8008, 8984, 12353, 14599, 15722, 16016, 17968, 24706, 29198, 31444, 49412, 58396, 62888, 86471, 98824, 102193, 116792, 125776, 160589, 172942, 197648, 204386, 233584, 321178, 345884, 408772, 642356, 691768, 817544, 1124123, 1284712, 1383536, 1635088, 2248246, 2569424, 4496492, 8992984, 17985968]

約数ペア:

[(1, 17985968), (2, 8992984), (4, 4496492), (7, 2569424), (8, 2248246), (11, 1635088), (13, 1383536), (14, 1284712), (16, 1124123), (22, 817544), (26, 691768), (28, 642356), (44, 408772), (52, 345884), (56, 321178), (77, 233584), (88, 204386), (91, 197648), (104, 172942), (112, 160589), (143, 125776), (154, 116792), (176, 102193), (182, 98824), (208, 86471), (286, 62888), (308, 58396), (364, 49412), (572, 31444), (616, 29198), (728, 24706), (1001, 17968), (1123, 16016), (1144, 15722), (1232, 14599), (1456, 12353), (2002, 8984), (2246, 8008), (2288, 7861), (4004, 4492)]