18728556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20269}}^1$

素因数の和:20294

約数の個数: 48

約数和(自身を含む): 54485760

約数和(自身を除く): 35757204

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20269, 40538, 60807, 81076, 121614, 141883, 222959, 243228, 283766, 425649, 445918, 567532, 668877, 851298, 891836, 1337754, 1560713, 1702596, 2675508, 3121426, 4682139, 6242852, 9364278, 18728556]

約数ペア:

[(1, 18728556), (2, 9364278), (3, 6242852), (4, 4682139), (6, 3121426), (7, 2675508), (11, 1702596), (12, 1560713), (14, 1337754), (21, 891836), (22, 851298), (28, 668877), (33, 567532), (42, 445918), (44, 425649), (66, 283766), (77, 243228), (84, 222959), (132, 141883), (154, 121614), (231, 81076), (308, 60807), (462, 40538), (924, 20269)]