19088775

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1973}}^1$

素因数の和:2032

約数の個数: 36

約数和(自身を含む): 35002968

約数和(自身を除く): 15914193

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 1973, 3225, 5919, 9675, 9865, 17757, 29595, 49325, 84839, 88785, 147975, 254517, 424195, 443925, 763551, 1272585, 2120975, 3817755, 6362925, 19088775]

約数ペア:

[(1, 19088775), (3, 6362925), (5, 3817755), (9, 2120975), (15, 1272585), (25, 763551), (43, 443925), (45, 424195), (75, 254517), (129, 147975), (215, 88785), (225, 84839), (387, 49325), (645, 29595), (1075, 17757), (1935, 9865), (1973, 9675), (3225, 5919)]