18656660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:776

約数の個数: 48

約数和(自身を含む): 43122240

約数和(自身を除く): 24465580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 619, 685, 1238, 1370, 1507, 2476, 2740, 3014, 3095, 6028, 6190, 6809, 7535, 12380, 13618, 15070, 27236, 30140, 34045, 68090, 84803, 136180, 169606, 339212, 424015, 848030, 932833, 1696060, 1865666, 3731332, 4664165, 9328330, 18656660]

約数ペア:

[(1, 18656660), (2, 9328330), (4, 4664165), (5, 3731332), (10, 1865666), (11, 1696060), (20, 932833), (22, 848030), (44, 424015), (55, 339212), (110, 169606), (137, 136180), (220, 84803), (274, 68090), (548, 34045), (619, 30140), (685, 27236), (1238, 15070), (1370, 13618), (1507, 12380), (2476, 7535), (2740, 6809), (3014, 6190), (3095, 6028)]