201918380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{438953}}^1$

素因数の和:438985

約数の個数: 24

約数和(自身を含む): 442465632

約数和(自身を除く): 240547252

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 438953, 877906, 1755812, 2194765, 4389530, 8779060, 10095919, 20191838, 40383676, 50479595, 100959190, 201918380]

約数ペア:

[(1, 201918380), (2, 100959190), (4, 50479595), (5, 40383676), (10, 20191838), (20, 10095919), (23, 8779060), (46, 4389530), (92, 2194765), (115, 1755812), (230, 877906), (460, 438953)]