18920368

素因数分解:

$2^4\times {\mathrm{433}}^1\times {\mathrm{2731}}^1$

素因数の和:3172

約数の個数: 20

約数和(自身を含む): 36756328

約数和(自身を除く): 17835960

約数列:

[1, 2, 4, 8, 16, 433, 866, 1732, 2731, 3464, 5462, 6928, 10924, 21848, 43696, 1182523, 2365046, 4730092, 9460184, 18920368]

約数ペア:

[(1, 18920368), (2, 9460184), (4, 4730092), (8, 2365046), (16, 1182523), (433, 43696), (866, 21848), (1732, 10924), (2731, 6928), (3464, 5462)]