19934173

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2208

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 4396067

約数列:

[1, 7, 19, 71, 133, 497, 1349, 2111, 9443, 14777, 40109, 149881, 280763, 1049167, 2847739, 19934173]

約数ペア:

[(1, 19934173), (7, 2847739), (19, 1049167), (71, 280763), (133, 149881), (497, 40109), (1349, 14777), (2111, 9443)]