19759369

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 5455607

約数列:

[1, 7, 23, 31, 37, 107, 161, 217, 259, 713, 749, 851, 1147, 2461, 3317, 3959, 4991, 5957, 8029, 17227, 23219, 26381, 27713, 76291, 91057, 122729, 184667, 534037, 637399, 859103, 2822767, 19759369]

約数ペア:

[(1, 19759369), (7, 2822767), (23, 859103), (31, 637399), (37, 534037), (107, 184667), (161, 122729), (217, 91057), (259, 76291), (713, 27713), (749, 26381), (851, 23219), (1147, 17227), (2461, 8029), (3317, 5957), (3959, 4991)]