19430540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51133}}^1$

素因数の和:51161

約数の個数: 24

約数和(自身を含む): 42952560

約数和(自身を除く): 23522020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 51133, 102266, 204532, 255665, 511330, 971527, 1022660, 1943054, 3886108, 4857635, 9715270, 19430540]

約数ペア:

[(1, 19430540), (2, 9715270), (4, 4857635), (5, 3886108), (10, 1943054), (19, 1022660), (20, 971527), (38, 511330), (76, 255665), (95, 204532), (190, 102266), (380, 51133)]