19627468

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5351}}^1$

素因数の和:5493

約数の個数: 24

約数和(自身を含む): 39561984

約数和(自身を除く): 19934516

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5351, 10702, 21404, 37457, 74914, 149828, 700981, 1401962, 2803924, 4906867, 9813734, 19627468]

約数ペア:

[(1, 19627468), (2, 9813734), (4, 4906867), (7, 2803924), (14, 1401962), (28, 700981), (131, 149828), (262, 74914), (524, 37457), (917, 21404), (1834, 10702), (3668, 5351)]