19505541

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 30597120

約数和(自身を除く): 11091579

約数列:

[1, 3, 11, 23, 31, 33, 69, 93, 253, 341, 713, 759, 829, 1023, 2139, 2487, 7843, 9119, 19067, 23529, 25699, 27357, 57201, 77097, 209737, 282689, 591077, 629211, 848067, 1773231, 6501847, 19505541]

約数ペア:

[(1, 19505541), (3, 6501847), (11, 1773231), (23, 848067), (31, 629211), (33, 591077), (69, 282689), (93, 209737), (253, 77097), (341, 57201), (713, 27357), (759, 25699), (829, 23529), (1023, 19067), (2139, 9119), (2487, 7843)]