18313785

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1237}}^1$

素因数の和:1302

約数の個数: 48

約数和(自身を含む): 37080576

約数和(自身を除く): 18766791

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1237, 1645, 2115, 2961, 3711, 4935, 6185, 8659, 11133, 14805, 18555, 25977, 43295, 55665, 58139, 77931, 129885, 174417, 290695, 389655, 406973, 523251, 872085, 1220919, 2034865, 2616255, 3662757, 6104595, 18313785]

約数ペア:

[(1, 18313785), (3, 6104595), (5, 3662757), (7, 2616255), (9, 2034865), (15, 1220919), (21, 872085), (35, 523251), (45, 406973), (47, 389655), (63, 290695), (105, 174417), (141, 129885), (235, 77931), (315, 58139), (329, 55665), (423, 43295), (705, 25977), (987, 18555), (1237, 14805), (1645, 11133), (2115, 8659), (2961, 6185), (3711, 4935)]