18111985199

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 23294304000

約数和(自身を除く): 5182318801

約数列:

[1, 7, 11, 49, 77, 131, 199, 539, 917, 1289, 1393, 1441, 2189, 6419, 9023, 9751, 10087, 14179, 15323, 26069, 63161, 70609, 99253, 107261, 168859, 182483, 256511, 286759, 694771, 1182013, 1277381, 1795577, 1857449, 2007313, 2821621, 8274091, 12569039, 13002143, 14051191, 19751347, 33602941, 91015001, 138259429, 235220587, 369632351, 1646544109, 2587426457, 18111985199]

約数ペア:

[(1, 18111985199), (7, 2587426457), (11, 1646544109), (49, 369632351), (77, 235220587), (131, 138259429), (199, 91015001), (539, 33602941), (917, 19751347), (1289, 14051191), (1393, 13002143), (1441, 12569039), (2189, 8274091), (6419, 2821621), (9023, 2007313), (9751, 1857449), (10087, 1795577), (14179, 1277381), (15323, 1182013), (26069, 694771), (63161, 286759), (70609, 256511), (99253, 182483), (107261, 168859)]