19004080280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1\times {\mathrm{19469}}^1$

素因数の和:20564

約数の個数: 64

約数和(自身を含む): 44662622400

約数和(自身を除く): 25658542120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1061, 2122, 4244, 5305, 8488, 10610, 19469, 21220, 24403, 38938, 42440, 48806, 77876, 97345, 97612, 122015, 155752, 194690, 195224, 244030, 389380, 447787, 488060, 778760, 895574, 976120, 1791148, 2238935, 3582296, 4477870, 8955740, 17911480, 20656609, 41313218, 82626436, 103283045, 165252872, 206566090, 413132180, 475102007, 826264360, 950204014, 1900408028, 2375510035, 3800816056, 4751020070, 9502040140, 19004080280]

約数ペア:

[(1, 19004080280), (2, 9502040140), (4, 4751020070), (5, 3800816056), (8, 2375510035), (10, 1900408028), (20, 950204014), (23, 826264360), (40, 475102007), (46, 413132180), (92, 206566090), (115, 165252872), (184, 103283045), (230, 82626436), (460, 41313218), (920, 20656609), (1061, 17911480), (2122, 8955740), (4244, 4477870), (5305, 3582296), (8488, 2238935), (10610, 1791148), (19469, 976120), (21220, 895574), (24403, 778760), (38938, 488060), (42440, 447787), (48806, 389380), (77876, 244030), (97345, 195224), (97612, 194690), (122015, 155752)]