19771088

素因数分解:

$2^4\times {\mathrm{877}}^1\times {\mathrm{1409}}^1$

素因数の和:2294

約数の個数: 20

約数和(自身を含む): 38377380

約数和(自身を除く): 18606292

約数列:

[1, 2, 4, 8, 16, 877, 1409, 1754, 2818, 3508, 5636, 7016, 11272, 14032, 22544, 1235693, 2471386, 4942772, 9885544, 19771088]

約数ペア:

[(1, 19771088), (2, 9885544), (4, 4942772), (8, 2471386), (16, 1235693), (877, 22544), (1409, 14032), (1754, 11272), (2818, 7016), (3508, 5636)]