18907128

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:322

約数の個数: 128

約数和(自身を含む): 58752000

約数和(自身を除く): 39844872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 19, 24, 27, 34, 36, 38, 51, 54, 57, 68, 72, 76, 102, 108, 114, 136, 152, 153, 171, 204, 216, 228, 271, 306, 323, 342, 408, 456, 459, 513, 542, 612, 646, 684, 813, 918, 969, 1026, 1084, 1224, 1292, 1368, 1626, 1836, 1938, 2052, 2168, 2439, 2584, 2907, 3252, 3672, 3876, 4104, 4607, 4878, 5149, 5814, 6504, 7317, 7752, 8721, 9214, 9756, 10298, 11628, 13821, 14634, 15447, 17442, 18428, 19512, 20596, 23256, 27642, 29268, 30894, 34884, 36856, 41192, 41463, 46341, 55284, 58536, 61788, 69768, 82926, 87533, 92682, 110568, 123576, 124389, 139023, 165852, 175066, 185364, 248778, 262599, 278046, 331704, 350132, 370728, 497556, 525198, 556092, 700264, 787797, 995112, 1050396, 1112184, 1575594, 2100792, 2363391, 3151188, 4726782, 6302376, 9453564, 18907128]

約数ペア:

[(1, 18907128), (2, 9453564), (3, 6302376), (4, 4726782), (6, 3151188), (8, 2363391), (9, 2100792), (12, 1575594), (17, 1112184), (18, 1050396), (19, 995112), (24, 787797), (27, 700264), (34, 556092), (36, 525198), (38, 497556), (51, 370728), (54, 350132), (57, 331704), (68, 278046), (72, 262599), (76, 248778), (102, 185364), (108, 175066), (114, 165852), (136, 139023), (152, 124389), (153, 123576), (171, 110568), (204, 92682), (216, 87533), (228, 82926), (271, 69768), (306, 61788), (323, 58536), (342, 55284), (408, 46341), (456, 41463), (459, 41192), (513, 36856), (542, 34884), (612, 30894), (646, 29268), (684, 27642), (813, 23256), (918, 20596), (969, 19512), (1026, 18428), (1084, 17442), (1224, 15447), (1292, 14634), (1368, 13821), (1626, 11628), (1836, 10298), (1938, 9756), (2052, 9214), (2168, 8721), (2439, 7752), (2584, 7317), (2907, 6504), (3252, 5814), (3672, 5149), (3876, 4878), (4104, 4607)]