19605656

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4931}}^1$

素因数の和:5015

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 23006824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4931, 9862, 19724, 34517, 39448, 69034, 138068, 276136, 350101, 700202, 1400404, 2450707, 2800808, 4901414, 9802828, 19605656]

約数ペア:

[(1, 19605656), (2, 9802828), (4, 4901414), (7, 2800808), (8, 2450707), (14, 1400404), (28, 700202), (56, 350101), (71, 276136), (142, 138068), (284, 69034), (497, 39448), (568, 34517), (994, 19724), (1988, 9862), (3976, 4931)]