19658336

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:303

約数の個数: 48

約数和(自身を含む): 40252464

約数和(自身を除く): 20594128

約数列:

[1, 2, 4, 8, 16, 32, 53, 67, 106, 134, 173, 212, 268, 346, 424, 536, 692, 848, 1072, 1384, 1696, 2144, 2768, 3551, 5536, 7102, 9169, 11591, 14204, 18338, 23182, 28408, 36676, 46364, 56816, 73352, 92728, 113632, 146704, 185456, 293408, 370912, 614323, 1228646, 2457292, 4914584, 9829168, 19658336]

約数ペア:

[(1, 19658336), (2, 9829168), (4, 4914584), (8, 2457292), (16, 1228646), (32, 614323), (53, 370912), (67, 293408), (106, 185456), (134, 146704), (173, 113632), (212, 92728), (268, 73352), (346, 56816), (424, 46364), (536, 36676), (692, 28408), (848, 23182), (1072, 18338), (1384, 14204), (1696, 11591), (2144, 9169), (2768, 7102), (3551, 5536)]