18064725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 35950080

約数和(自身を除く): 17885355

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1425, 1811, 1995, 3325, 5433, 9055, 9975, 12677, 27165, 34409, 38031, 45275, 63385, 103227, 135825, 172045, 190155, 240863, 316925, 516135, 722589, 860225, 950775, 1204315, 2580675, 3612945, 6021575, 18064725]

約数ペア:

[(1, 18064725), (3, 6021575), (5, 3612945), (7, 2580675), (15, 1204315), (19, 950775), (21, 860225), (25, 722589), (35, 516135), (57, 316925), (75, 240863), (95, 190155), (105, 172045), (133, 135825), (175, 103227), (285, 63385), (399, 45275), (475, 38031), (525, 34409), (665, 27165), (1425, 12677), (1811, 9975), (1995, 9055), (3325, 5433)]