18989904

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 51996672

約数和(自身を除く): 33006768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 103, 138, 167, 184, 206, 276, 309, 334, 368, 412, 501, 552, 618, 668, 824, 1002, 1104, 1236, 1336, 1648, 2004, 2369, 2472, 2672, 3841, 4008, 4738, 4944, 7107, 7682, 8016, 9476, 11523, 14214, 15364, 17201, 18952, 23046, 28428, 30728, 34402, 37904, 46092, 51603, 56856, 61456, 68804, 92184, 103206, 113712, 137608, 184368, 206412, 275216, 395623, 412824, 791246, 825648, 1186869, 1582492, 2373738, 3164984, 4747476, 6329968, 9494952, 18989904]

約数ペア:

[(1, 18989904), (2, 9494952), (3, 6329968), (4, 4747476), (6, 3164984), (8, 2373738), (12, 1582492), (16, 1186869), (23, 825648), (24, 791246), (46, 412824), (48, 395623), (69, 275216), (92, 206412), (103, 184368), (138, 137608), (167, 113712), (184, 103206), (206, 92184), (276, 68804), (309, 61456), (334, 56856), (368, 51603), (412, 46092), (501, 37904), (552, 34402), (618, 30728), (668, 28428), (824, 23046), (1002, 18952), (1104, 17201), (1236, 15364), (1336, 14214), (1648, 11523), (2004, 9476), (2369, 8016), (2472, 7682), (2672, 7107), (3841, 4944), (4008, 4738)]