18883264

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:377

約数の個数: 56

約数和(自身を含む): 40325040

約数和(自身を除く): 21441776

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 53, 64, 76, 106, 152, 212, 293, 304, 424, 586, 608, 848, 1007, 1172, 1216, 1696, 2014, 2344, 3392, 4028, 4688, 5567, 8056, 9376, 11134, 15529, 16112, 18752, 22268, 31058, 32224, 44536, 62116, 64448, 89072, 124232, 178144, 248464, 295051, 356288, 496928, 590102, 993856, 1180204, 2360408, 4720816, 9441632, 18883264]

約数ペア:

[(1, 18883264), (2, 9441632), (4, 4720816), (8, 2360408), (16, 1180204), (19, 993856), (32, 590102), (38, 496928), (53, 356288), (64, 295051), (76, 248464), (106, 178144), (152, 124232), (212, 89072), (293, 64448), (304, 62116), (424, 44536), (586, 32224), (608, 31058), (848, 22268), (1007, 18752), (1172, 16112), (1216, 15529), (1696, 11134), (2014, 9376), (2344, 8056), (3392, 5567), (4028, 4688)]