18404086

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1237}}^1$

素因数の和:1455

約数の個数: 16

約数和(自身を含む): 28434384

約数和(自身を除く): 10030298

約数列:

[1, 2, 43, 86, 173, 346, 1237, 2474, 7439, 14878, 53191, 106382, 214001, 428002, 9202043, 18404086]

約数ペア:

[(1, 18404086), (2, 9202043), (43, 428002), (86, 214001), (173, 106382), (346, 53191), (1237, 14878), (2474, 7439)]