38919543

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 59996160

約数和(自身を除く): 21076617

約数列:

[1, 3, 13, 19, 39, 53, 57, 159, 247, 689, 741, 991, 1007, 2067, 2973, 3021, 12883, 13091, 18829, 38649, 39273, 52523, 56487, 157569, 244777, 682799, 734331, 997937, 2048397, 2993811, 12973181, 38919543]

約数ペア:

[(1, 38919543), (3, 12973181), (13, 2993811), (19, 2048397), (39, 997937), (53, 734331), (57, 682799), (159, 244777), (247, 157569), (689, 56487), (741, 52523), (991, 39273), (1007, 38649), (2067, 18829), (2973, 13091), (3021, 12883)]