18240318

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{3943}}^1$

素因数の和:4208

約数の個数: 24

約数和(自身を含む): 39684528

約数和(自身を除く): 21444210

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 3943, 4626, 7886, 11829, 23658, 35487, 70974, 1013351, 2026702, 3040053, 6080106, 9120159, 18240318]

約数ペア:

[(1, 18240318), (2, 9120159), (3, 6080106), (6, 3040053), (9, 2026702), (18, 1013351), (257, 70974), (514, 35487), (771, 23658), (1542, 11829), (2313, 7886), (3943, 4626)]