19193499

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12619}}^1$

素因数の和:12651

約数の個数: 18

約数和(自身を含む): 30022980

約数和(自身を除く): 10829481

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12619, 37857, 113571, 164047, 492141, 1476423, 2132611, 6397833, 19193499]

約数ペア:

[(1, 19193499), (3, 6397833), (9, 2132611), (13, 1476423), (39, 492141), (117, 164047), (169, 113571), (507, 37857), (1521, 12619)]