19140147

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9623}}^1$

素因数の和:9659

約数の個数: 24

約数和(自身を含む): 31528224

約数和(自身を除く): 12388077

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 9623, 28869, 86607, 125099, 163591, 375297, 490773, 1125891, 1472319, 2126683, 6380049, 19140147]

約数ペア:

[(1, 19140147), (3, 6380049), (9, 2126683), (13, 1472319), (17, 1125891), (39, 490773), (51, 375297), (117, 163591), (153, 125099), (221, 86607), (663, 28869), (1989, 9623)]