19924947

素因数分解:

$3^4\times 7^1\times {\mathrm{35141}}^1$

素因数の和:35160

約数の個数: 20

約数和(自身を含む): 34017456

約数和(自身を除く): 14092509

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35141, 105423, 245987, 316269, 737961, 948807, 2213883, 2846421, 6641649, 19924947]

約数ペア:

[(1, 19924947), (3, 6641649), (7, 2846421), (9, 2213883), (21, 948807), (27, 737961), (63, 316269), (81, 245987), (189, 105423), (567, 35141)]