18278946

素因数分解:

$2^1\times 3^8\times 7^1\times {\mathrm{199}}^1$

素因数の和:232

約数の個数: 72

約数和(自身を含む): 47236800

約数和(自身を除く): 28957854

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 199, 243, 378, 398, 486, 567, 597, 729, 1134, 1194, 1393, 1458, 1701, 1791, 2187, 2786, 3402, 3582, 4179, 4374, 5103, 5373, 6561, 8358, 10206, 10746, 12537, 13122, 15309, 16119, 25074, 30618, 32238, 37611, 45927, 48357, 75222, 91854, 96714, 112833, 145071, 225666, 290142, 338499, 435213, 676998, 870426, 1015497, 1305639, 2030994, 2611278, 3046491, 6092982, 9139473, 18278946]

約数ペア:

[(1, 18278946), (2, 9139473), (3, 6092982), (6, 3046491), (7, 2611278), (9, 2030994), (14, 1305639), (18, 1015497), (21, 870426), (27, 676998), (42, 435213), (54, 338499), (63, 290142), (81, 225666), (126, 145071), (162, 112833), (189, 96714), (199, 91854), (243, 75222), (378, 48357), (398, 45927), (486, 37611), (567, 32238), (597, 30618), (729, 25074), (1134, 16119), (1194, 15309), (1393, 13122), (1458, 12537), (1701, 10746), (1791, 10206), (2187, 8358), (2786, 6561), (3402, 5373), (3582, 5103), (4179, 4374)]