18697280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:532

約数の個数: 112

約数和(自身を含む): 53986176

約数和(自身を除く): 35288896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 491, 544, 560, 595, 680, 952, 982, 1088, 1120, 1190, 1360, 1904, 1964, 2240, 2380, 2455, 2720, 3437, 3808, 3928, 4760, 4910, 5440, 6874, 7616, 7856, 8347, 9520, 9820, 13748, 15712, 16694, 17185, 19040, 19640, 27496, 31424, 33388, 34370, 38080, 39280, 41735, 54992, 58429, 66776, 68740, 78560, 83470, 109984, 116858, 133552, 137480, 157120, 166940, 219968, 233716, 267104, 274960, 292145, 333880, 467432, 534208, 549920, 584290, 667760, 934864, 1099840, 1168580, 1335520, 1869728, 2337160, 2671040, 3739456, 4674320, 9348640, 18697280]

約数ペア:

[(1, 18697280), (2, 9348640), (4, 4674320), (5, 3739456), (7, 2671040), (8, 2337160), (10, 1869728), (14, 1335520), (16, 1168580), (17, 1099840), (20, 934864), (28, 667760), (32, 584290), (34, 549920), (35, 534208), (40, 467432), (56, 333880), (64, 292145), (68, 274960), (70, 267104), (80, 233716), (85, 219968), (112, 166940), (119, 157120), (136, 137480), (140, 133552), (160, 116858), (170, 109984), (224, 83470), (238, 78560), (272, 68740), (280, 66776), (320, 58429), (340, 54992), (448, 41735), (476, 39280), (491, 38080), (544, 34370), (560, 33388), (595, 31424), (680, 27496), (952, 19640), (982, 19040), (1088, 17185), (1120, 16694), (1190, 15712), (1360, 13748), (1904, 9820), (1964, 9520), (2240, 8347), (2380, 7856), (2455, 7616), (2720, 6874), (3437, 5440), (3808, 4910), (3928, 4760)]