19468988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{63211}}^1$

素因数の和:63233

約数の個数: 24

約数和(自身を含む): 42478464

約数和(自身を除く): 23009476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 63211, 126422, 252844, 442477, 695321, 884954, 1390642, 1769908, 2781284, 4867247, 9734494, 19468988]

約数ペア:

[(1, 19468988), (2, 9734494), (4, 4867247), (7, 2781284), (11, 1769908), (14, 1390642), (22, 884954), (28, 695321), (44, 442477), (77, 252844), (154, 126422), (308, 63211)]