18929206

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8443}}^1$

素因数の和:8523

約数の個数: 16

約数和(自身を含む): 30398400

約数和(自身を除く): 11469194

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 8443, 16886, 160417, 320834, 498137, 996274, 9464603, 18929206]

約数ペア:

[(1, 18929206), (2, 9464603), (19, 996274), (38, 498137), (59, 320834), (118, 160417), (1121, 16886), (2242, 8443)]