19654956

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{12697}}^1$

素因数の和:12750

約数の個数: 36

約数和(自身を含む): 50842792

約数和(自身を除く): 31187836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 12697, 25394, 38091, 50788, 76182, 114273, 152364, 228546, 457092, 545971, 1091942, 1637913, 2183884, 3275826, 4913739, 6551652, 9827478, 19654956]

約数ペア:

[(1, 19654956), (2, 9827478), (3, 6551652), (4, 4913739), (6, 3275826), (9, 2183884), (12, 1637913), (18, 1091942), (36, 545971), (43, 457092), (86, 228546), (129, 152364), (172, 114273), (258, 76182), (387, 50788), (516, 38091), (774, 25394), (1548, 12697)]