19226540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23447}}^1$

素因数の和:23497

約数の個数: 24

約数和(自身を含む): 41362272

約数和(自身を除く): 22135732

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23447, 46894, 93788, 117235, 234470, 468940, 961327, 1922654, 3845308, 4806635, 9613270, 19226540]

約数ペア:

[(1, 19226540), (2, 9613270), (4, 4806635), (5, 3845308), (10, 1922654), (20, 961327), (41, 468940), (82, 234470), (164, 117235), (205, 93788), (410, 46894), (820, 23447)]