19630880

素因数分解:

$2^5\times 5^1\times {\mathrm{122693}}^1$

素因数の和:122708

約数の個数: 24

約数和(自身を含む): 46378332

約数和(自身を除く): 26747452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 122693, 245386, 490772, 613465, 981544, 1226930, 1963088, 2453860, 3926176, 4907720, 9815440, 19630880]

約数ペア:

[(1, 19630880), (2, 9815440), (4, 4907720), (5, 3926176), (8, 2453860), (10, 1963088), (16, 1226930), (20, 981544), (32, 613465), (40, 490772), (80, 245386), (160, 122693)]