19770268

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 41094144

約数和(自身を除く): 21323876

約数列:

[1, 2, 4, 7, 14, 28, 47, 83, 94, 166, 181, 188, 329, 332, 362, 581, 658, 724, 1162, 1267, 1316, 2324, 2534, 3901, 5068, 7802, 8507, 15023, 15604, 17014, 27307, 30046, 34028, 54614, 59549, 60092, 105161, 109228, 119098, 210322, 238196, 420644, 706081, 1412162, 2824324, 4942567, 9885134, 19770268]

約数ペア:

[(1, 19770268), (2, 9885134), (4, 4942567), (7, 2824324), (14, 1412162), (28, 706081), (47, 420644), (83, 238196), (94, 210322), (166, 119098), (181, 109228), (188, 105161), (329, 60092), (332, 59549), (362, 54614), (581, 34028), (658, 30046), (724, 27307), (1162, 17014), (1267, 15604), (1316, 15023), (2324, 8507), (2534, 7802), (3901, 5068)]