18018880

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5119}}^1$

素因数の和:5147

約数の個数: 56

約数和(自身を含む): 46817280

約数和(自身を除く): 28798400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 5119, 10238, 20476, 25595, 40952, 51190, 56309, 81904, 102380, 112618, 163808, 204760, 225236, 281545, 327616, 409520, 450472, 563090, 819040, 900944, 1126180, 1638080, 1801888, 2252360, 3603776, 4504720, 9009440, 18018880]

約数ペア:

[(1, 18018880), (2, 9009440), (4, 4504720), (5, 3603776), (8, 2252360), (10, 1801888), (11, 1638080), (16, 1126180), (20, 900944), (22, 819040), (32, 563090), (40, 450472), (44, 409520), (55, 327616), (64, 281545), (80, 225236), (88, 204760), (110, 163808), (160, 112618), (176, 102380), (220, 81904), (320, 56309), (352, 51190), (440, 40952), (704, 25595), (880, 20476), (1760, 10238), (3520, 5119)]