19767531

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4637}}^1$

素因数の和:4683

約数の個数: 24

約数和(自身を含む): 31723920

約数和(自身を除く): 11956389

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 4637, 13911, 32459, 97377, 134473, 227213, 403419, 681639, 941311, 2823933, 6589177, 19767531]

約数ペア:

[(1, 19767531), (3, 6589177), (7, 2823933), (21, 941311), (29, 681639), (49, 403419), (87, 227213), (147, 134473), (203, 97377), (609, 32459), (1421, 13911), (4263, 4637)]