18471047

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2441}}^1$

素因数の和:2518

約数の個数: 16

約数和(自身を含む): 22505472

約数和(自身を除く): 4034425

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2441, 7567, 17087, 56143, 114727, 393001, 803089, 2638721, 18471047]

約数ペア:

[(1, 18471047), (7, 2638721), (23, 803089), (47, 393001), (161, 114727), (329, 56143), (1081, 17087), (2441, 7567)]