18426338

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42457}}^1$

素因数の和:42497

約数の個数: 16

約数和(自身を含む): 32607744

約数和(自身を除く): 14181406

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 42457, 84914, 297199, 594398, 1316167, 2632334, 9213169, 18426338]

約数ペア:

[(1, 18426338), (2, 9213169), (7, 2632334), (14, 1316167), (31, 594398), (62, 297199), (217, 84914), (434, 42457)]