18656848

素因数分解:

$2^4\times 7^2\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:524

約数の個数: 60

約数和(自身を含む): 42938100

約数和(自身を除く): 24281252

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 53, 56, 98, 106, 112, 196, 212, 371, 392, 424, 449, 742, 784, 848, 898, 1484, 1796, 2597, 2968, 3143, 3592, 5194, 5936, 6286, 7184, 10388, 12572, 20776, 22001, 23797, 25144, 41552, 44002, 47594, 50288, 88004, 95188, 166579, 176008, 190376, 333158, 352016, 380752, 666316, 1166053, 1332632, 2332106, 2665264, 4664212, 9328424, 18656848]

約数ペア:

[(1, 18656848), (2, 9328424), (4, 4664212), (7, 2665264), (8, 2332106), (14, 1332632), (16, 1166053), (28, 666316), (49, 380752), (53, 352016), (56, 333158), (98, 190376), (106, 176008), (112, 166579), (196, 95188), (212, 88004), (371, 50288), (392, 47594), (424, 44002), (449, 41552), (742, 25144), (784, 23797), (848, 22001), (898, 20776), (1484, 12572), (1796, 10388), (2597, 7184), (2968, 6286), (3143, 5936), (3592, 5194)]