19377712

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8713}}^1$

素因数の和:8860

約数の個数: 20

約数和(自身を含む): 37818760

約数和(自身を除く): 18441048

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8713, 17426, 34852, 69704, 139408, 1211107, 2422214, 4844428, 9688856, 19377712]

約数ペア:

[(1, 19377712), (2, 9688856), (4, 4844428), (8, 2422214), (16, 1211107), (139, 139408), (278, 69704), (556, 34852), (1112, 17426), (2224, 8713)]