18864006

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 45235200

約数和(自身を除く): 26371194

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 61, 74, 111, 122, 183, 199, 222, 259, 366, 398, 427, 518, 597, 777, 854, 1194, 1281, 1393, 1554, 2257, 2562, 2786, 4179, 4514, 6771, 7363, 8358, 12139, 13542, 14726, 15799, 22089, 24278, 31598, 36417, 44178, 47397, 51541, 72834, 84973, 94794, 103082, 154623, 169946, 254919, 309246, 449143, 509838, 898286, 1347429, 2694858, 3144001, 6288002, 9432003, 18864006]

約数ペア:

[(1, 18864006), (2, 9432003), (3, 6288002), (6, 3144001), (7, 2694858), (14, 1347429), (21, 898286), (37, 509838), (42, 449143), (61, 309246), (74, 254919), (111, 169946), (122, 154623), (183, 103082), (199, 94794), (222, 84973), (259, 72834), (366, 51541), (398, 47397), (427, 44178), (518, 36417), (597, 31598), (777, 24278), (854, 22089), (1194, 15799), (1281, 14726), (1393, 13542), (1554, 12139), (2257, 8358), (2562, 7363), (2786, 6771), (4179, 4514)]