18484725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 35319168

約数和(自身を除く): 16834443

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 137, 175, 257, 411, 525, 685, 771, 959, 1285, 1799, 2055, 2877, 3425, 3855, 4795, 5397, 6425, 8995, 10275, 14385, 19275, 23975, 26985, 35209, 44975, 71925, 105627, 134925, 176045, 246463, 528135, 739389, 880225, 1232315, 2640675, 3696945, 6161575, 18484725]

約数ペア:

[(1, 18484725), (3, 6161575), (5, 3696945), (7, 2640675), (15, 1232315), (21, 880225), (25, 739389), (35, 528135), (75, 246463), (105, 176045), (137, 134925), (175, 105627), (257, 71925), (411, 44975), (525, 35209), (685, 26985), (771, 23975), (959, 19275), (1285, 14385), (1799, 10275), (2055, 8995), (2877, 6425), (3425, 5397), (3855, 4795)]