1938291220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2253827}}^1$

素因数の和:2253879

約数の個数: 24

約数和(自身を含む): 4165074144

約数和(自身を除く): 2226782924

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2253827, 4507654, 9015308, 11269135, 22538270, 45076540, 96914561, 193829122, 387658244, 484572805, 969145610, 1938291220]

約数ペア:

[(1, 1938291220), (2, 969145610), (4, 484572805), (5, 387658244), (10, 193829122), (20, 96914561), (43, 45076540), (86, 22538270), (172, 11269135), (215, 9015308), (430, 4507654), (860, 2253827)]