189744556

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{28219}}^1$

素因数の和:28305

約数の個数: 18

約数和(自身を含む): 340361420

約数和(自身を除く): 150616864

約数列:

[1, 2, 4, 41, 82, 164, 1681, 3362, 6724, 28219, 56438, 112876, 1156979, 2313958, 4627916, 47436139, 94872278, 189744556]

約数ペア:

[(1, 189744556), (2, 94872278), (4, 47436139), (41, 4627916), (82, 2313958), (164, 1156979), (1681, 112876), (3362, 56438), (6724, 28219)]