18438404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{1031}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 34328448

約数和(自身を除く): 15890044

約数列:

[1, 2, 4, 17, 34, 68, 263, 526, 1031, 1052, 2062, 4124, 4471, 8942, 17527, 17884, 35054, 70108, 271153, 542306, 1084612, 4609601, 9219202, 18438404]

約数ペア:

[(1, 18438404), (2, 9219202), (4, 4609601), (17, 1084612), (34, 542306), (68, 271153), (263, 70108), (526, 35054), (1031, 17884), (1052, 17527), (2062, 8942), (4124, 4471)]