20181427216

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15966319}}^1$

素因数の和:15966406

約数の個数: 20

約数和(自身を含む): 39596473600

約数和(自身を除く): 19415046384

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15966319, 31932638, 63865276, 127730552, 255461104, 1261339201, 2522678402, 5045356804, 10090713608, 20181427216]

約数ペア:

[(1, 20181427216), (2, 10090713608), (4, 5045356804), (8, 2522678402), (16, 1261339201), (79, 255461104), (158, 127730552), (316, 63865276), (632, 31932638), (1264, 15966319)]