19835439

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3659}}^1$

素因数の和:3814

約数の個数: 16

約数和(自身を含む): 28694400

約数和(自身を除く): 8858961

約数列:

[1, 3, 13, 39, 139, 417, 1807, 3659, 5421, 10977, 47567, 142701, 508601, 1525803, 6611813, 19835439]

約数ペア:

[(1, 19835439), (3, 6611813), (13, 1525803), (39, 508601), (139, 142701), (417, 47567), (1807, 10977), (3659, 5421)]