19002945475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{9661}}^1$

素因数の和:9832

約数の個数: 48

約数和(自身を含む): 25663044960

約数和(自身を除く): 6660099485

約数列:

[1, 5, 19, 25, 41, 95, 101, 205, 475, 505, 779, 1025, 1919, 2525, 3895, 4141, 9595, 9661, 19475, 20705, 47975, 48305, 78679, 103525, 183559, 241525, 393395, 396101, 917795, 975761, 1966975, 1980505, 4588975, 4878805, 7525919, 9902525, 18539459, 24394025, 37629595, 40006201, 92697295, 188147975, 200031005, 463486475, 760117819, 1000155025, 3800589095, 19002945475]

約数ペア:

[(1, 19002945475), (5, 3800589095), (19, 1000155025), (25, 760117819), (41, 463486475), (95, 200031005), (101, 188147975), (205, 92697295), (475, 40006201), (505, 37629595), (779, 24394025), (1025, 18539459), (1919, 9902525), (2525, 7525919), (3895, 4878805), (4141, 4588975), (9595, 1980505), (9661, 1966975), (19475, 975761), (20705, 917795), (47975, 396101), (48305, 393395), (78679, 241525), (103525, 183559)]