19453264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:835

約数の個数: 40

約数和(自身を含む): 40176000

約数和(自身を除く): 20722736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 719, 1424, 1438, 1691, 2876, 3382, 5752, 6764, 11504, 13528, 13661, 27056, 27322, 54644, 63991, 109288, 127982, 218576, 255964, 511928, 1023856, 1215829, 2431658, 4863316, 9726632, 19453264]

約数ペア:

[(1, 19453264), (2, 9726632), (4, 4863316), (8, 2431658), (16, 1215829), (19, 1023856), (38, 511928), (76, 255964), (89, 218576), (152, 127982), (178, 109288), (304, 63991), (356, 54644), (712, 27322), (719, 27056), (1424, 13661), (1438, 13528), (1691, 11504), (2876, 6764), (3382, 5752)]