19271421

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9689}}^1$

素因数の和:9725

約数の個数: 24

約数和(自身を含む): 31744440

約数和(自身を除く): 12473019

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9689, 29067, 87201, 125957, 164713, 377871, 494139, 1133613, 1482417, 2141269, 6423807, 19271421]

約数ペア:

[(1, 19271421), (3, 6423807), (9, 2141269), (13, 1482417), (17, 1133613), (39, 494139), (51, 377871), (117, 164713), (153, 125957), (221, 87201), (663, 29067), (1989, 9689)]