19866483

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 35782656

約数和(自身を除く): 15916173

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 127, 191, 273, 381, 573, 819, 889, 1143, 1337, 1651, 1719, 2483, 2667, 4011, 4953, 7449, 8001, 11557, 12033, 14859, 17381, 22347, 24257, 34671, 52143, 72771, 104013, 156429, 169799, 218313, 315341, 509397, 946023, 1528191, 2207387, 2838069, 6622161, 19866483]

約数ペア:

[(1, 19866483), (3, 6622161), (7, 2838069), (9, 2207387), (13, 1528191), (21, 946023), (39, 509397), (63, 315341), (91, 218313), (117, 169799), (127, 156429), (191, 104013), (273, 72771), (381, 52143), (573, 34671), (819, 24257), (889, 22347), (1143, 17381), (1337, 14859), (1651, 12033), (1719, 11557), (2483, 8001), (2667, 7449), (4011, 4953)]