19509328

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18199}}^1$

素因数の和:18274

約数の個数: 20

約数和(自身を含む): 38365600

約数和(自身を除く): 18856272

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18199, 36398, 72796, 145592, 291184, 1219333, 2438666, 4877332, 9754664, 19509328]

約数ペア:

[(1, 19509328), (2, 9754664), (4, 4877332), (8, 2438666), (16, 1219333), (67, 291184), (134, 145592), (268, 72796), (536, 36398), (1072, 18199)]