19878081104

素因数分解:

$2^4\times 7^1\times {\mathrm{177482867}}^1$

素因数の和:177482882

約数の個数: 20

約数和(自身を含む): 44015751264

約数和(自身を除く): 24137670160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 177482867, 354965734, 709931468, 1242380069, 1419862936, 2484760138, 2839725872, 4969520276, 9939040552, 19878081104]

約数ペア:

[(1, 19878081104), (2, 9939040552), (4, 4969520276), (7, 2839725872), (8, 2484760138), (14, 1419862936), (16, 1242380069), (28, 709931468), (56, 354965734), (112, 177482867)]