19983104

素因数分解:

$2^8\times {\mathrm{78059}}^1$

素因数の和:78075

約数の個数: 18

約数和(自身を含む): 39888660

約数和(自身を除く): 19905556

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 78059, 156118, 312236, 624472, 1248944, 2497888, 4995776, 9991552, 19983104]

約数ペア:

[(1, 19983104), (2, 9991552), (4, 4995776), (8, 2497888), (16, 1248944), (32, 624472), (64, 312236), (128, 156118), (256, 78059)]