19312137

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12697}}^1$

素因数の和:12729

約数の個数: 18

約数和(自身を含む): 30208542

約数和(自身を除く): 10896405

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12697, 38091, 114273, 165061, 495183, 1485549, 2145793, 6437379, 19312137]

約数ペア:

[(1, 19312137), (3, 6437379), (9, 2145793), (13, 1485549), (39, 495183), (117, 165061), (169, 114273), (507, 38091), (1521, 12697)]