18643968

素因数分解:

$2^{10}\times 3^2\times 7^1\times {\mathrm{17}}^2$

素因数の和:67

約数の個数: 198

約数和(自身を含む): 65356616

約数和(自身を除く): 46712648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 112, 119, 126, 128, 136, 144, 153, 168, 192, 204, 224, 238, 252, 256, 272, 288, 289, 306, 336, 357, 384, 408, 448, 476, 504, 512, 544, 576, 578, 612, 672, 714, 768, 816, 867, 896, 952, 1008, 1024, 1071, 1088, 1152, 1156, 1224, 1344, 1428, 1536, 1632, 1734, 1792, 1904, 2016, 2023, 2142, 2176, 2304, 2312, 2448, 2601, 2688, 2856, 3072, 3264, 3468, 3584, 3808, 4032, 4046, 4284, 4352, 4608, 4624, 4896, 5202, 5376, 5712, 6069, 6528, 6936, 7168, 7616, 8064, 8092, 8568, 8704, 9216, 9248, 9792, 10404, 10752, 11424, 12138, 13056, 13872, 15232, 16128, 16184, 17136, 17408, 18207, 18496, 19584, 20808, 21504, 22848, 24276, 26112, 27744, 30464, 32256, 32368, 34272, 36414, 36992, 39168, 41616, 45696, 48552, 52224, 55488, 60928, 64512, 64736, 68544, 72828, 73984, 78336, 83232, 91392, 97104, 110976, 121856, 129472, 137088, 145656, 147968, 156672, 166464, 182784, 194208, 221952, 258944, 274176, 291312, 295936, 332928, 365568, 388416, 443904, 517888, 548352, 582624, 665856, 776832, 887808, 1035776, 1096704, 1165248, 1331712, 1553664, 2071552, 2330496, 2663424, 3107328, 4660992, 6214656, 9321984, 18643968]

約数ペア:

[(1, 18643968), (2, 9321984), (3, 6214656), (4, 4660992), (6, 3107328), (7, 2663424), (8, 2330496), (9, 2071552), (12, 1553664), (14, 1331712), (16, 1165248), (17, 1096704), (18, 1035776), (21, 887808), (24, 776832), (28, 665856), (32, 582624), (34, 548352), (36, 517888), (42, 443904), (48, 388416), (51, 365568), (56, 332928), (63, 295936), (64, 291312), (68, 274176), (72, 258944), (84, 221952), (96, 194208), (102, 182784), (112, 166464), (119, 156672), (126, 147968), (128, 145656), (136, 137088), (144, 129472), (153, 121856), (168, 110976), (192, 97104), (204, 91392), (224, 83232), (238, 78336), (252, 73984), (256, 72828), (272, 68544), (288, 64736), (289, 64512), (306, 60928), (336, 55488), (357, 52224), (384, 48552), (408, 45696), (448, 41616), (476, 39168), (504, 36992), (512, 36414), (544, 34272), (576, 32368), (578, 32256), (612, 30464), (672, 27744), (714, 26112), (768, 24276), (816, 22848), (867, 21504), (896, 20808), (952, 19584), (1008, 18496), (1024, 18207), (1071, 17408), (1088, 17136), (1152, 16184), (1156, 16128), (1224, 15232), (1344, 13872), (1428, 13056), (1536, 12138), (1632, 11424), (1734, 10752), (1792, 10404), (1904, 9792), (2016, 9248), (2023, 9216), (2142, 8704), (2176, 8568), (2304, 8092), (2312, 8064), (2448, 7616), (2601, 7168), (2688, 6936), (2856, 6528), (3072, 6069), (3264, 5712), (3468, 5376), (3584, 5202), (3808, 4896), (4032, 4624), (4046, 4608), (4284, 4352)]