18086575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 26560800

約数和(自身を除く): 8474225

約数列:

[1, 5, 13, 19, 25, 29, 65, 95, 101, 145, 247, 325, 377, 475, 505, 551, 725, 1235, 1313, 1885, 1919, 2525, 2755, 2929, 6175, 6565, 7163, 9425, 9595, 13775, 14645, 24947, 32825, 35815, 38077, 47975, 55651, 73225, 124735, 179075, 190385, 278255, 623675, 723463, 951925, 1391275, 3617315, 18086575]

約数ペア:

[(1, 18086575), (5, 3617315), (13, 1391275), (19, 951925), (25, 723463), (29, 623675), (65, 278255), (95, 190385), (101, 179075), (145, 124735), (247, 73225), (325, 55651), (377, 47975), (475, 38077), (505, 35815), (551, 32825), (725, 24947), (1235, 14645), (1313, 13775), (1885, 9595), (1919, 9425), (2525, 7163), (2755, 6565), (2929, 6175)]