18256620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2221}}^1$

素因数の和:2370

約数の個数: 48

約数和(自身を含む): 51514848

約数和(自身を除く): 33258228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2221, 2740, 4110, 4442, 6663, 8220, 8884, 11105, 13326, 22210, 26652, 33315, 44420, 66630, 133260, 304277, 608554, 912831, 1217108, 1521385, 1825662, 3042770, 3651324, 4564155, 6085540, 9128310, 18256620]

約数ペア:

[(1, 18256620), (2, 9128310), (3, 6085540), (4, 4564155), (5, 3651324), (6, 3042770), (10, 1825662), (12, 1521385), (15, 1217108), (20, 912831), (30, 608554), (60, 304277), (137, 133260), (274, 66630), (411, 44420), (548, 33315), (685, 26652), (822, 22210), (1370, 13326), (1644, 11105), (2055, 8884), (2221, 8220), (2740, 6663), (4110, 4442)]