19016625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 35493120

約数和(自身を除く): 16476495

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 125, 157, 255, 285, 323, 375, 425, 471, 475, 785, 969, 1275, 1425, 1615, 2125, 2355, 2375, 2669, 2983, 3925, 4845, 6375, 7125, 8007, 8075, 8949, 11775, 13345, 14915, 19625, 24225, 40035, 40375, 44745, 50711, 58875, 66725, 74575, 121125, 152133, 200175, 223725, 253555, 333625, 372875, 760665, 1000875, 1118625, 1267775, 3803325, 6338875, 19016625]

約数ペア:

[(1, 19016625), (3, 6338875), (5, 3803325), (15, 1267775), (17, 1118625), (19, 1000875), (25, 760665), (51, 372875), (57, 333625), (75, 253555), (85, 223725), (95, 200175), (125, 152133), (157, 121125), (255, 74575), (285, 66725), (323, 58875), (375, 50711), (425, 44745), (471, 40375), (475, 40035), (785, 24225), (969, 19625), (1275, 14915), (1425, 13345), (1615, 11775), (2125, 8949), (2355, 8075), (2375, 8007), (2669, 7125), (2983, 6375), (3925, 4845)]