18971226

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1367}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 42353280

約数和(自身を除く): 23382054

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1367, 1542, 2313, 2734, 4101, 4626, 6939, 8202, 12303, 13878, 24606, 36909, 73818, 351319, 702638, 1053957, 2107914, 3161871, 6323742, 9485613, 18971226]

約数ペア:

[(1, 18971226), (2, 9485613), (3, 6323742), (6, 3161871), (9, 2107914), (18, 1053957), (27, 702638), (54, 351319), (257, 73818), (514, 36909), (771, 24606), (1367, 13878), (1542, 12303), (2313, 8202), (2734, 6939), (4101, 4626)]