18865950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4337}}^1$

素因数の和:4381

約数の個数: 48

約数和(自身を含む): 48412080

約数和(自身を除く): 29546130

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4337, 4350, 8674, 13011, 21685, 26022, 43370, 65055, 108425, 125773, 130110, 216850, 251546, 325275, 377319, 628865, 650550, 754638, 1257730, 1886595, 3144325, 3773190, 6288650, 9432975, 18865950]

約数ペア:

[(1, 18865950), (2, 9432975), (3, 6288650), (5, 3773190), (6, 3144325), (10, 1886595), (15, 1257730), (25, 754638), (29, 650550), (30, 628865), (50, 377319), (58, 325275), (75, 251546), (87, 216850), (145, 130110), (150, 125773), (174, 108425), (290, 65055), (435, 43370), (725, 26022), (870, 21685), (1450, 13011), (2175, 8674), (4337, 4350)]