18949052

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{509}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 34186320

約数和(自身を除く): 15237268

約数列:

[1, 2, 4, 41, 82, 164, 227, 454, 509, 908, 1018, 2036, 9307, 18614, 20869, 37228, 41738, 83476, 115543, 231086, 462172, 4737263, 9474526, 18949052]

約数ペア:

[(1, 18949052), (2, 9474526), (4, 4737263), (41, 462172), (82, 231086), (164, 115543), (227, 83476), (454, 41738), (509, 37228), (908, 20869), (1018, 18614), (2036, 9307)]