18887958

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1361}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 42167520

約数和(自身を除く): 23279562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1361, 1542, 2313, 2722, 4083, 4626, 6939, 8166, 12249, 13878, 24498, 36747, 73494, 349777, 699554, 1049331, 2098662, 3147993, 6295986, 9443979, 18887958]

約数ペア:

[(1, 18887958), (2, 9443979), (3, 6295986), (6, 3147993), (9, 2098662), (18, 1049331), (27, 699554), (54, 349777), (257, 73494), (514, 36747), (771, 24498), (1361, 13878), (1542, 12249), (2313, 8166), (2722, 6939), (4083, 4626)]