19995172

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1151}}^1$

素因数の和:1299

約数の個数: 24

約数和(自身を含む): 36191232

約数和(自身を除く): 16196060

約数列:

[1, 2, 4, 43, 86, 101, 172, 202, 404, 1151, 2302, 4343, 4604, 8686, 17372, 49493, 98986, 116251, 197972, 232502, 465004, 4998793, 9997586, 19995172]

約数ペア:

[(1, 19995172), (2, 9997586), (4, 4998793), (43, 465004), (86, 232502), (101, 197972), (172, 116251), (202, 98986), (404, 49493), (1151, 17372), (2302, 8686), (4343, 4604)]