18989794

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{5779}}^1$

素因数の和:5865

約数の個数: 16

約数和(自身を含む): 29963520

約数和(自身を除く): 10973726

約数列:

[1, 2, 31, 53, 62, 106, 1643, 3286, 5779, 11558, 179149, 306287, 358298, 612574, 9494897, 18989794]

約数ペア:

[(1, 18989794), (2, 9494897), (31, 612574), (53, 358298), (62, 306287), (106, 179149), (1643, 11558), (3286, 5779)]