18870173

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2677}}^1$

素因数の和:2756

約数の個数: 16

約数和(自身を含む): 23137920

約数和(自身を除く): 4267747

約数列:

[1, 7, 19, 53, 133, 371, 1007, 2677, 7049, 18739, 50863, 141881, 356041, 993167, 2695739, 18870173]

約数ペア:

[(1, 18870173), (7, 2695739), (19, 993167), (53, 356041), (133, 141881), (371, 50863), (1007, 18739), (2677, 7049)]