18839111005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6737}}^1\times {\mathrm{3911}}^1$

素因数の和:10677

約数の個数: 32

約数和(自身を含む): 26569928448

約数和(自身を除く): 7730817443

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 3911, 6737, 19555, 33685, 43021, 50843, 74107, 87581, 215105, 254215, 370535, 437905, 559273, 963391, 2796365, 4816955, 26348407, 131742035, 289832477, 342529291, 1449162385, 1712646455, 3767822201, 18839111005]

約数ペア:

[(1, 18839111005), (5, 3767822201), (11, 1712646455), (13, 1449162385), (55, 342529291), (65, 289832477), (143, 131742035), (715, 26348407), (3911, 4816955), (6737, 2796365), (19555, 963391), (33685, 559273), (43021, 437905), (50843, 370535), (74107, 254215), (87581, 215105)]