18993485

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4273}}^1$

素因数の和:4412

約数の個数: 16

約数和(自身を含む): 26259456

約数和(自身を除く): 7265971

約数列:

[1, 5, 7, 35, 127, 635, 889, 4273, 4445, 21365, 29911, 149555, 542671, 2713355, 3798697, 18993485]

約数ペア:

[(1, 18993485), (5, 3798697), (7, 2713355), (35, 542671), (127, 149555), (635, 29911), (889, 21365), (4273, 4445)]