18857787

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4519}}^1$

素因数の和:4642

約数の個数: 16

約数和(自身を含む): 27336960

約数和(自身を除く): 8479173

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 4519, 13557, 58747, 176241, 483533, 1450599, 6285929, 18857787]

約数ペア:

[(1, 18857787), (3, 6285929), (13, 1450599), (39, 483533), (107, 176241), (321, 58747), (1391, 13557), (4173, 4519)]