1991217712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{11313737}}^1$

素因数の和:11313756

約数の個数: 20

約数和(自身を含む): 4208710536

約数和(自身を除く): 2217492824

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 11313737, 22627474, 45254948, 90509896, 124451107, 181019792, 248902214, 497804428, 995608856, 1991217712]

約数ペア:

[(1, 1991217712), (2, 995608856), (4, 497804428), (8, 248902214), (11, 181019792), (16, 124451107), (22, 90509896), (44, 45254948), (88, 22627474), (176, 11313737)]