19199216

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7643}}^1$

素因数の和:7808

約数の個数: 20

約数和(自身を含む): 37440312

約数和(自身を除く): 18241096

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7643, 15286, 30572, 61144, 122288, 1199951, 2399902, 4799804, 9599608, 19199216]

約数ペア:

[(1, 19199216), (2, 9599608), (4, 4799804), (8, 2399902), (16, 1199951), (157, 122288), (314, 61144), (628, 30572), (1256, 15286), (2512, 7643)]