19783386

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 30904614

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 199, 263, 378, 398, 526, 597, 789, 1194, 1393, 1578, 1791, 1841, 2367, 2786, 3582, 3682, 4179, 4734, 5373, 5523, 7101, 8358, 10746, 11046, 12537, 14202, 16569, 25074, 33138, 37611, 49707, 52337, 75222, 99414, 104674, 157011, 314022, 366359, 471033, 732718, 942066, 1099077, 1413099, 2198154, 2826198, 3297231, 6594462, 9891693, 19783386]

約数ペア:

[(1, 19783386), (2, 9891693), (3, 6594462), (6, 3297231), (7, 2826198), (9, 2198154), (14, 1413099), (18, 1099077), (21, 942066), (27, 732718), (42, 471033), (54, 366359), (63, 314022), (126, 157011), (189, 104674), (199, 99414), (263, 75222), (378, 52337), (398, 49707), (526, 37611), (597, 33138), (789, 25074), (1194, 16569), (1393, 14202), (1578, 12537), (1791, 11046), (1841, 10746), (2367, 8358), (2786, 7101), (3582, 5523), (3682, 5373), (4179, 4734)]