18613280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16619}}^1$

素因数の和:16641

約数の個数: 48

約数和(自身を含む): 50258880

約数和(自身を除く): 31645600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16619, 33238, 66476, 83095, 116333, 132952, 166190, 232666, 265904, 332380, 465332, 531808, 581665, 664760, 930664, 1163330, 1329520, 1861328, 2326660, 2659040, 3722656, 4653320, 9306640, 18613280]

約数ペア:

[(1, 18613280), (2, 9306640), (4, 4653320), (5, 3722656), (7, 2659040), (8, 2326660), (10, 1861328), (14, 1329520), (16, 1163330), (20, 930664), (28, 664760), (32, 581665), (35, 531808), (40, 465332), (56, 332380), (70, 265904), (80, 232666), (112, 166190), (140, 132952), (160, 116333), (224, 83095), (280, 66476), (560, 33238), (1120, 16619)]