19544704

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 41199840

約数和(自身を除く): 21655136

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 67, 86, 106, 128, 134, 172, 212, 268, 344, 424, 536, 688, 848, 1072, 1376, 1696, 2144, 2279, 2752, 2881, 3392, 3551, 4288, 4558, 5504, 5762, 6784, 7102, 8576, 9116, 11524, 14204, 18232, 23048, 28408, 36464, 46096, 56816, 72928, 92192, 113632, 145856, 152693, 184384, 227264, 291712, 305386, 368768, 454528, 610772, 1221544, 2443088, 4886176, 9772352, 19544704]

約数ペア:

[(1, 19544704), (2, 9772352), (4, 4886176), (8, 2443088), (16, 1221544), (32, 610772), (43, 454528), (53, 368768), (64, 305386), (67, 291712), (86, 227264), (106, 184384), (128, 152693), (134, 145856), (172, 113632), (212, 92192), (268, 72928), (344, 56816), (424, 46096), (536, 36464), (688, 28408), (848, 23048), (1072, 18232), (1376, 14204), (1696, 11524), (2144, 9116), (2279, 8576), (2752, 7102), (2881, 6784), (3392, 5762), (3551, 5504), (4288, 4558)]