19319391

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2653

約数の個数: 40

約数和(自身を含む): 35533344

約数和(自身を除く): 16213953

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 2621, 7371, 7863, 18347, 23589, 34073, 55041, 70767, 102219, 165123, 212301, 238511, 306657, 495369, 715533, 919971, 1486107, 2146599, 2759913, 6439797, 19319391]

約数ペア:

[(1, 19319391), (3, 6439797), (7, 2759913), (9, 2146599), (13, 1486107), (21, 919971), (27, 715533), (39, 495369), (63, 306657), (81, 238511), (91, 212301), (117, 165123), (189, 102219), (273, 70767), (351, 55041), (567, 34073), (819, 23589), (1053, 18347), (2457, 7863), (2621, 7371)]