19470147160

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11319853}}^1$

素因数の和:11319907

約数の個数: 32

約数和(自身を含む): 44826621840

約数和(自身を除く): 25356474680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11319853, 22639706, 45279412, 56599265, 90558824, 113198530, 226397060, 452794120, 486753679, 973507358, 1947014716, 2433768395, 3894029432, 4867536790, 9735073580, 19470147160]

約数ペア:

[(1, 19470147160), (2, 9735073580), (4, 4867536790), (5, 3894029432), (8, 2433768395), (10, 1947014716), (20, 973507358), (40, 486753679), (43, 452794120), (86, 226397060), (172, 113198530), (215, 90558824), (344, 56599265), (430, 45279412), (860, 22639706), (1720, 11319853)]