19511568

素因数分解:

$2^4\times 3^2\times {\mathrm{135497}}^1$

素因数の和:135511

約数の個数: 30

約数和(自身を含む): 54605694

約数和(自身を除く): 35094126

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 135497, 270994, 406491, 541988, 812982, 1083976, 1219473, 1625964, 2167952, 2438946, 3251928, 4877892, 6503856, 9755784, 19511568]

約数ペア:

[(1, 19511568), (2, 9755784), (3, 6503856), (4, 4877892), (6, 3251928), (8, 2438946), (9, 2167952), (12, 1625964), (16, 1219473), (18, 1083976), (24, 812982), (36, 541988), (48, 406491), (72, 270994), (144, 135497)]