19908220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26903}}^1$

素因数の和:26949

約数の個数: 24

約数和(自身を含む): 42938784

約数和(自身を除く): 23030564

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 26903, 53806, 107612, 134515, 269030, 538060, 995411, 1990822, 3981644, 4977055, 9954110, 19908220]

約数ペア:

[(1, 19908220), (2, 9954110), (4, 4977055), (5, 3981644), (10, 1990822), (20, 995411), (37, 538060), (74, 269030), (148, 134515), (185, 107612), (370, 53806), (740, 26903)]