19880448

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{43}}^2$

素因数の和:114

約数の個数: 120

約数和(自身を含む): 61969248

約数和(自身を除く): 42088800

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 64, 84, 86, 96, 112, 128, 129, 168, 172, 192, 224, 256, 258, 301, 336, 344, 384, 448, 512, 516, 602, 672, 688, 768, 896, 903, 1032, 1204, 1344, 1376, 1536, 1792, 1806, 1849, 2064, 2408, 2688, 2752, 3584, 3612, 3698, 4128, 4816, 5376, 5504, 5547, 7224, 7396, 8256, 9632, 10752, 11008, 11094, 12943, 14448, 14792, 16512, 19264, 22016, 22188, 25886, 28896, 29584, 33024, 38528, 38829, 44376, 51772, 57792, 59168, 66048, 77056, 77658, 88752, 103544, 115584, 118336, 154112, 155316, 177504, 207088, 231168, 236672, 310632, 355008, 414176, 462336, 473344, 621264, 710016, 828352, 946688, 1242528, 1420032, 1656704, 2485056, 2840064, 3313408, 4970112, 6626816, 9940224, 19880448]

約数ペア:

[(1, 19880448), (2, 9940224), (3, 6626816), (4, 4970112), (6, 3313408), (7, 2840064), (8, 2485056), (12, 1656704), (14, 1420032), (16, 1242528), (21, 946688), (24, 828352), (28, 710016), (32, 621264), (42, 473344), (43, 462336), (48, 414176), (56, 355008), (64, 310632), (84, 236672), (86, 231168), (96, 207088), (112, 177504), (128, 155316), (129, 154112), (168, 118336), (172, 115584), (192, 103544), (224, 88752), (256, 77658), (258, 77056), (301, 66048), (336, 59168), (344, 57792), (384, 51772), (448, 44376), (512, 38829), (516, 38528), (602, 33024), (672, 29584), (688, 28896), (768, 25886), (896, 22188), (903, 22016), (1032, 19264), (1204, 16512), (1344, 14792), (1376, 14448), (1536, 12943), (1792, 11094), (1806, 11008), (1849, 10752), (2064, 9632), (2408, 8256), (2688, 7396), (2752, 7224), (3584, 5547), (3612, 5504), (3698, 5376), (4128, 4816)]