18901008

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1103}}^1$

素因数の和:1141

約数の個数: 120

約数和(自身を含む): 64067328

約数和(自身を除く): 45166320

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 102, 112, 119, 126, 136, 144, 153, 168, 204, 238, 252, 272, 306, 336, 357, 408, 476, 504, 612, 714, 816, 952, 1008, 1071, 1103, 1224, 1428, 1904, 2142, 2206, 2448, 2856, 3309, 4284, 4412, 5712, 6618, 7721, 8568, 8824, 9927, 13236, 15442, 17136, 17648, 18751, 19854, 23163, 26472, 30884, 37502, 39708, 46326, 52944, 56253, 61768, 69489, 75004, 79416, 92652, 112506, 123536, 131257, 138978, 150008, 158832, 168759, 185304, 225012, 262514, 277956, 300016, 337518, 370608, 393771, 450024, 525028, 555912, 675036, 787542, 900048, 1050056, 1111824, 1181313, 1350072, 1575084, 2100112, 2362626, 2700144, 3150168, 4725252, 6300336, 9450504, 18901008]

約数ペア:

[(1, 18901008), (2, 9450504), (3, 6300336), (4, 4725252), (6, 3150168), (7, 2700144), (8, 2362626), (9, 2100112), (12, 1575084), (14, 1350072), (16, 1181313), (17, 1111824), (18, 1050056), (21, 900048), (24, 787542), (28, 675036), (34, 555912), (36, 525028), (42, 450024), (48, 393771), (51, 370608), (56, 337518), (63, 300016), (68, 277956), (72, 262514), (84, 225012), (102, 185304), (112, 168759), (119, 158832), (126, 150008), (136, 138978), (144, 131257), (153, 123536), (168, 112506), (204, 92652), (238, 79416), (252, 75004), (272, 69489), (306, 61768), (336, 56253), (357, 52944), (408, 46326), (476, 39708), (504, 37502), (612, 30884), (714, 26472), (816, 23163), (952, 19854), (1008, 18751), (1071, 17648), (1103, 17136), (1224, 15442), (1428, 13236), (1904, 9927), (2142, 8824), (2206, 8568), (2448, 7721), (2856, 6618), (3309, 5712), (4284, 4412)]