18353979

素因数分解:

$3^3\times 7^2\times {\mathrm{13873}}^1$

素因数の和:13896

約数の個数: 24

約数和(自身を含む): 31632720

約数和(自身を除く): 13278741

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13873, 41619, 97111, 124857, 291333, 374571, 679777, 873999, 2039331, 2621997, 6117993, 18353979]

約数ペア:

[(1, 18353979), (3, 6117993), (7, 2621997), (9, 2039331), (21, 873999), (27, 679777), (49, 374571), (63, 291333), (147, 124857), (189, 97111), (441, 41619), (1323, 13873)]