18971632

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3359}}^1$

素因数の和:3720

約数の個数: 20

約数和(自身を含む): 36872640

約数和(自身を除く): 17901008

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 3359, 5648, 6718, 13436, 26872, 53744, 1185727, 2371454, 4742908, 9485816, 18971632]

約数ペア:

[(1, 18971632), (2, 9485816), (4, 4742908), (8, 2371454), (16, 1185727), (353, 53744), (706, 26872), (1412, 13436), (2824, 6718), (3359, 5648)]