19950151

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 22286880

約数和(自身を除く): 2336729

約数列:

[1, 13, 43, 89, 401, 559, 1157, 3827, 5213, 17243, 35689, 49751, 224159, 463957, 1534627, 19950151]

約数ペア:

[(1, 19950151), (13, 1534627), (43, 463957), (89, 224159), (401, 49751), (559, 35689), (1157, 17243), (3827, 5213)]