19364816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19841}}^1$

素因数の和:19910

約数の個数: 20

約数和(自身を含む): 38136324

約数和(自身を除く): 18771508

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19841, 39682, 79364, 158728, 317456, 1210301, 2420602, 4841204, 9682408, 19364816]

約数ペア:

[(1, 19364816), (2, 9682408), (4, 4841204), (8, 2420602), (16, 1210301), (61, 317456), (122, 158728), (244, 79364), (488, 39682), (976, 19841)]