19946871

素因数分解:

$3^3\times 7^2\times {\mathrm{15077}}^1$

素因数の和:15100

約数の個数: 24

約数和(自身を含む): 34377840

約数和(自身を除く): 14430969

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15077, 45231, 105539, 135693, 316617, 407079, 738773, 949851, 2216319, 2849553, 6648957, 19946871]

約数ペア:

[(1, 19946871), (3, 6648957), (7, 2849553), (9, 2216319), (21, 949851), (27, 738773), (49, 407079), (63, 316617), (147, 135693), (189, 105539), (441, 45231), (1323, 15077)]