17945426

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{557}}^1$

素因数の和:829

約数の個数: 16

約数和(自身を含む): 27420120

約数和(自身を除く): 9474694

約数列:

[1, 2, 89, 178, 181, 362, 557, 1114, 16109, 32218, 49573, 99146, 100817, 201634, 8972713, 17945426]

約数ペア:

[(1, 17945426), (2, 8972713), (89, 201634), (178, 100817), (181, 99146), (362, 49573), (557, 32218), (1114, 16109)]