18506768

素因数分解:

$2^4\times 7^1\times {\mathrm{373}}^1\times {\mathrm{443}}^1$

素因数の和:831

約数の個数: 40

約数和(自身を含む): 41181888

約数和(自身を除く): 22675120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 373, 443, 746, 886, 1492, 1772, 2611, 2984, 3101, 3544, 5222, 5968, 6202, 7088, 10444, 12404, 20888, 24808, 41776, 49616, 165239, 330478, 660956, 1156673, 1321912, 2313346, 2643824, 4626692, 9253384, 18506768]

約数ペア:

[(1, 18506768), (2, 9253384), (4, 4626692), (7, 2643824), (8, 2313346), (14, 1321912), (16, 1156673), (28, 660956), (56, 330478), (112, 165239), (373, 49616), (443, 41776), (746, 24808), (886, 20888), (1492, 12404), (1772, 10444), (2611, 7088), (2984, 6202), (3101, 5968), (3544, 5222)]