18404253

素因数分解:

$3^4\times 7^2\times {\mathrm{4637}}^1$

素因数の和:4663

約数の個数: 30

約数和(自身を含む): 31988286

約数和(自身を除く): 13584033

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4637, 13911, 32459, 41733, 97377, 125199, 227213, 292131, 375597, 681639, 876393, 2044917, 2629179, 6134751, 18404253]

約数ペア:

[(1, 18404253), (3, 6134751), (7, 2629179), (9, 2044917), (21, 876393), (27, 681639), (49, 375597), (63, 292131), (81, 227213), (147, 125199), (189, 97377), (441, 41733), (567, 32459), (1323, 13911), (3969, 4637)]