18955749

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:825

約数の個数: 24

約数和(自身を含む): 27870912

約数和(自身を除く): 8915163

約数列:

[1, 3, 19, 23, 57, 69, 361, 437, 761, 1083, 1311, 2283, 8303, 14459, 17503, 24909, 43377, 52509, 274721, 332557, 824163, 997671, 6318583, 18955749]

約数ペア:

[(1, 18955749), (3, 6318583), (19, 997671), (23, 824163), (57, 332557), (69, 274721), (361, 52509), (437, 43377), (761, 24909), (1083, 17503), (1311, 14459), (2283, 8303)]