18619947

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 28725840

約数和(自身を除く): 10105893

約数列:

[1, 3, 9, 17, 51, 131, 153, 393, 929, 1179, 2227, 2787, 6681, 8361, 15793, 20043, 47379, 121699, 142137, 365097, 1095291, 2068883, 6206649, 18619947]

約数ペア:

[(1, 18619947), (3, 6206649), (9, 2068883), (17, 1095291), (51, 365097), (131, 142137), (153, 121699), (393, 47379), (929, 20043), (1179, 15793), (2227, 8361), (2787, 6681)]