19782675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{7993}}^1$

素因数の和:8020

約数の個数: 36

約数和(自身を含む): 38658984

約数和(自身を除く): 18876309

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 7993, 23979, 39965, 71937, 87923, 119895, 199825, 263769, 359685, 439615, 599475, 791307, 1318845, 1798425, 2198075, 3956535, 6594225, 19782675]

約数ペア:

[(1, 19782675), (3, 6594225), (5, 3956535), (9, 2198075), (11, 1798425), (15, 1318845), (25, 791307), (33, 599475), (45, 439615), (55, 359685), (75, 263769), (99, 199825), (165, 119895), (225, 87923), (275, 71937), (495, 39965), (825, 23979), (2475, 7993)]