18530967

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9697}}^1$

素因数の和:9727

約数の個数: 24

約数和(自身を含む): 30956016

約数和(自身を除く): 12425049

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9697, 29091, 67879, 126061, 203637, 378183, 475153, 882427, 1425459, 2647281, 6176989, 18530967]

約数ペア:

[(1, 18530967), (3, 6176989), (7, 2647281), (13, 1425459), (21, 882427), (39, 475153), (49, 378183), (91, 203637), (147, 126061), (273, 67879), (637, 29091), (1911, 9697)]