18413584

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 45532800

約数和(自身を除く): 27119216

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 304, 323, 476, 509, 532, 646, 952, 1018, 1064, 1292, 1904, 2036, 2128, 2261, 2584, 3563, 4072, 4522, 5168, 7126, 8144, 8653, 9044, 9671, 14252, 17306, 18088, 19342, 28504, 34612, 36176, 38684, 57008, 60571, 67697, 69224, 77368, 121142, 135394, 138448, 154736, 164407, 242284, 270788, 328814, 484568, 541576, 657628, 969136, 1083152, 1150849, 1315256, 2301698, 2630512, 4603396, 9206792, 18413584]

約数ペア:

[(1, 18413584), (2, 9206792), (4, 4603396), (7, 2630512), (8, 2301698), (14, 1315256), (16, 1150849), (17, 1083152), (19, 969136), (28, 657628), (34, 541576), (38, 484568), (56, 328814), (68, 270788), (76, 242284), (112, 164407), (119, 154736), (133, 138448), (136, 135394), (152, 121142), (238, 77368), (266, 69224), (272, 67697), (304, 60571), (323, 57008), (476, 38684), (509, 36176), (532, 34612), (646, 28504), (952, 19342), (1018, 18088), (1064, 17306), (1292, 14252), (1904, 9671), (2036, 9044), (2128, 8653), (2261, 8144), (2584, 7126), (3563, 5168), (4072, 4522)]