219699054

素因数分解:

$2^1\times 3^4\times {\mathrm{1356167}}^1$

素因数の和:1356181

約数の個数: 20

約数和(自身を含む): 492288984

約数和(自身を除く): 272589930

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1356167, 2712334, 4068501, 8137002, 12205503, 24411006, 36616509, 73233018, 109849527, 219699054]

約数ペア:

[(1, 219699054), (2, 109849527), (3, 73233018), (6, 36616509), (9, 24411006), (18, 12205503), (27, 8137002), (54, 4068501), (81, 2712334), (162, 1356167)]