18730143

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1259}}^1$

素因数の和:1316

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 11509857

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1259, 1653, 3777, 4959, 11331, 14877, 23921, 33993, 36511, 71763, 109533, 215289, 328599, 645867, 693709, 985797, 2081127, 6243381, 18730143]

約数ペア:

[(1, 18730143), (3, 6243381), (9, 2081127), (19, 985797), (27, 693709), (29, 645867), (57, 328599), (87, 215289), (171, 109533), (261, 71763), (513, 36511), (551, 33993), (783, 23921), (1259, 14877), (1653, 11331), (3777, 4959)]