19547728

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3461}}^1$

素因数の和:3822

約数の個数: 20

約数和(自身を含む): 37991988

約数和(自身を除く): 18444260

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 3461, 5648, 6922, 13844, 27688, 55376, 1221733, 2443466, 4886932, 9773864, 19547728]

約数ペア:

[(1, 19547728), (2, 9773864), (4, 4886932), (8, 2443466), (16, 1221733), (353, 55376), (706, 27688), (1412, 13844), (2824, 6922), (3461, 5648)]