19880476

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9221}}^1$

素因数の和:9250

約数の個数: 36

約数和(自身を含む): 44154936

約数和(自身を除く): 24274460

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9221, 18442, 36884, 64547, 101431, 129094, 202862, 258188, 405724, 451829, 710017, 903658, 1420034, 1807316, 2840068, 4970119, 9940238, 19880476]

約数ペア:

[(1, 19880476), (2, 9940238), (4, 4970119), (7, 2840068), (11, 1807316), (14, 1420034), (22, 903658), (28, 710017), (44, 451829), (49, 405724), (77, 258188), (98, 202862), (154, 129094), (196, 101431), (308, 64547), (539, 36884), (1078, 18442), (2156, 9221)]