18260568

素因数分解:

$2^3\times 3^2\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 49870080

約数和(自身を除く): 31609512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 127, 254, 381, 508, 762, 1016, 1143, 1524, 1997, 2286, 3048, 3994, 4572, 5991, 7988, 9144, 11982, 15976, 17973, 23964, 35946, 47928, 71892, 143784, 253619, 507238, 760857, 1014476, 1521714, 2028952, 2282571, 3043428, 4565142, 6086856, 9130284, 18260568]

約数ペア:

[(1, 18260568), (2, 9130284), (3, 6086856), (4, 4565142), (6, 3043428), (8, 2282571), (9, 2028952), (12, 1521714), (18, 1014476), (24, 760857), (36, 507238), (72, 253619), (127, 143784), (254, 71892), (381, 47928), (508, 35946), (762, 23964), (1016, 17973), (1143, 15976), (1524, 11982), (1997, 9144), (2286, 7988), (3048, 5991), (3994, 4572)]