18494649

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5569}}^1$

素因数の和:5622

約数の個数: 20

約数和(自身を含む): 28306740

約数和(自身を除く): 9812091

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5569, 16707, 50121, 150363, 228329, 451089, 684987, 2054961, 6164883, 18494649]

約数ペア:

[(1, 18494649), (3, 6164883), (9, 2054961), (27, 684987), (41, 451089), (81, 228329), (123, 150363), (369, 50121), (1107, 16707), (3321, 5569)]