19925584

素因数分解:

$2^4\times 7^1\times {\mathrm{177907}}^1$

素因数の和:177922

約数の個数: 20

約数和(自身を含む): 44121184

約数和(自身を除く): 24195600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177907, 355814, 711628, 1245349, 1423256, 2490698, 2846512, 4981396, 9962792, 19925584]

約数ペア:

[(1, 19925584), (2, 9962792), (4, 4981396), (7, 2846512), (8, 2490698), (14, 1423256), (16, 1245349), (28, 711628), (56, 355814), (112, 177907)]