19685072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{111847}}^1$

素因数の和:111866

約数の個数: 20

約数和(自身を含む): 41607456

約数和(自身を除く): 21922384

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 111847, 223694, 447388, 894776, 1230317, 1789552, 2460634, 4921268, 9842536, 19685072]

約数ペア:

[(1, 19685072), (2, 9842536), (4, 4921268), (8, 2460634), (11, 1789552), (16, 1230317), (22, 894776), (44, 447388), (88, 223694), (176, 111847)]