18658130

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43391}}^1$

素因数の和:43441

約数の個数: 16

約数和(自身を含む): 34366464

約数和(自身を除く): 15708334

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 43391, 86782, 216955, 433910, 1865813, 3731626, 9329065, 18658130]

約数ペア:

[(1, 18658130), (2, 9329065), (5, 3731626), (10, 1865813), (43, 433910), (86, 216955), (215, 86782), (430, 43391)]