19007972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2011}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 35491680

約数和(自身を除く): 16483708

約数列:

[1, 2, 4, 17, 34, 68, 139, 278, 556, 2011, 2363, 4022, 4726, 8044, 9452, 34187, 68374, 136748, 279529, 559058, 1118116, 4751993, 9503986, 19007972]

約数ペア:

[(1, 19007972), (2, 9503986), (4, 4751993), (17, 1118116), (34, 559058), (68, 279529), (139, 136748), (278, 68374), (556, 34187), (2011, 9452), (2363, 8044), (4022, 4726)]