18721888

素因数分解:

$2^5\times {\mathrm{401}}^1\times {\mathrm{1459}}^1$

素因数の和:1870

約数の個数: 24

約数和(自身を含む): 36975960

約数和(自身を除く): 18254072

約数列:

[1, 2, 4, 8, 16, 32, 401, 802, 1459, 1604, 2918, 3208, 5836, 6416, 11672, 12832, 23344, 46688, 585059, 1170118, 2340236, 4680472, 9360944, 18721888]

約数ペア:

[(1, 18721888), (2, 9360944), (4, 4680472), (8, 2340236), (16, 1170118), (32, 585059), (401, 46688), (802, 23344), (1459, 12832), (1604, 11672), (2918, 6416), (3208, 5836)]