19996032

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 62472960

約数和(自身を除く): 42476928

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, 173, 192, 224, 258, 301, 336, 344, 346, 384, 448, 516, 519, 602, 672, 688, 692, 896, 903, 1032, 1038, 1204, 1211, 1344, 1376, 1384, 1806, 2064, 2076, 2408, 2422, 2688, 2752, 2768, 3612, 3633, 4128, 4152, 4816, 4844, 5504, 5536, 7224, 7266, 7439, 8256, 8304, 9632, 9688, 11072, 14448, 14532, 14878, 16512, 16608, 19264, 19376, 22144, 22317, 28896, 29064, 29756, 33216, 38528, 38752, 44634, 52073, 57792, 58128, 59512, 66432, 77504, 89268, 104146, 115584, 116256, 119024, 155008, 156219, 178536, 208292, 232512, 238048, 312438, 357072, 416584, 465024, 476096, 624876, 714144, 833168, 952192, 1249752, 1428288, 1666336, 2499504, 2856576, 3332672, 4999008, 6665344, 9998016, 19996032]

約数ペア:

[(1, 19996032), (2, 9998016), (3, 6665344), (4, 4999008), (6, 3332672), (7, 2856576), (8, 2499504), (12, 1666336), (14, 1428288), (16, 1249752), (21, 952192), (24, 833168), (28, 714144), (32, 624876), (42, 476096), (43, 465024), (48, 416584), (56, 357072), (64, 312438), (84, 238048), (86, 232512), (96, 208292), (112, 178536), (128, 156219), (129, 155008), (168, 119024), (172, 116256), (173, 115584), (192, 104146), (224, 89268), (258, 77504), (301, 66432), (336, 59512), (344, 58128), (346, 57792), (384, 52073), (448, 44634), (516, 38752), (519, 38528), (602, 33216), (672, 29756), (688, 29064), (692, 28896), (896, 22317), (903, 22144), (1032, 19376), (1038, 19264), (1204, 16608), (1211, 16512), (1344, 14878), (1376, 14532), (1384, 14448), (1806, 11072), (2064, 9688), (2076, 9632), (2408, 8304), (2422, 8256), (2688, 7439), (2752, 7266), (2768, 7224), (3612, 5536), (3633, 5504), (4128, 4844), (4152, 4816)]