19830920

素因数分解:

$2^3\times 5^1\times {\mathrm{495773}}^1$

素因数の和:495784

約数の個数: 16

約数和(自身を含む): 44619660

約数和(自身を除く): 24788740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 495773, 991546, 1983092, 2478865, 3966184, 4957730, 9915460, 19830920]

約数ペア:

[(1, 19830920), (2, 9915460), (4, 4957730), (5, 3966184), (8, 2478865), (10, 1983092), (20, 991546), (40, 495773)]