19486566

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 72

約数和(自身を含む): 48550320

約数和(自身を除く): 29063754

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 33, 46, 66, 69, 99, 121, 138, 198, 207, 242, 253, 363, 389, 414, 506, 726, 759, 778, 1089, 1167, 1518, 2178, 2277, 2334, 2783, 3501, 4279, 4554, 5566, 7002, 8349, 8558, 8947, 12837, 16698, 17894, 25047, 25674, 26841, 38511, 47069, 50094, 53682, 77022, 80523, 94138, 98417, 141207, 161046, 196834, 282414, 295251, 423621, 590502, 847242, 885753, 1082587, 1771506, 2165174, 3247761, 6495522, 9743283, 19486566]

約数ペア:

[(1, 19486566), (2, 9743283), (3, 6495522), (6, 3247761), (9, 2165174), (11, 1771506), (18, 1082587), (22, 885753), (23, 847242), (33, 590502), (46, 423621), (66, 295251), (69, 282414), (99, 196834), (121, 161046), (138, 141207), (198, 98417), (207, 94138), (242, 80523), (253, 77022), (363, 53682), (389, 50094), (414, 47069), (506, 38511), (726, 26841), (759, 25674), (778, 25047), (1089, 17894), (1167, 16698), (1518, 12837), (2178, 8947), (2277, 8558), (2334, 8349), (2783, 7002), (3501, 5566), (4279, 4554)]