19146825

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1979}}^1$

素因数の和:2038

約数の個数: 36

約数和(自身を含む): 35109360

約数和(自身を除く): 15962535

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 1979, 3225, 5937, 9675, 9895, 17811, 29685, 49475, 85097, 89055, 148425, 255291, 425485, 445275, 765873, 1276455, 2127425, 3829365, 6382275, 19146825]

約数ペア:

[(1, 19146825), (3, 6382275), (5, 3829365), (9, 2127425), (15, 1276455), (25, 765873), (43, 445275), (45, 425485), (75, 255291), (129, 148425), (215, 89055), (225, 85097), (387, 49475), (645, 29685), (1075, 17811), (1935, 9895), (1979, 9675), (3225, 5937)]