19625008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94351}}^1$

素因数の和:94372

約数の個数: 20

約数和(自身を含む): 40948768

約数和(自身を除く): 21323760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94351, 188702, 377404, 754808, 1226563, 1509616, 2453126, 4906252, 9812504, 19625008]

約数ペア:

[(1, 19625008), (2, 9812504), (4, 4906252), (8, 2453126), (13, 1509616), (16, 1226563), (26, 754808), (52, 377404), (104, 188702), (208, 94351)]