19025523

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 40

約数和(自身を含む): 31432896

約数和(自身を除く): 12407373

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 131, 163, 297, 393, 489, 891, 1179, 1441, 1467, 1793, 3537, 4323, 4401, 5379, 10611, 12969, 13203, 16137, 21353, 38907, 48411, 64059, 116721, 145233, 192177, 234883, 576531, 704649, 1729593, 2113947, 6341841, 19025523]

約数ペア:

[(1, 19025523), (3, 6341841), (9, 2113947), (11, 1729593), (27, 704649), (33, 576531), (81, 234883), (99, 192177), (131, 145233), (163, 116721), (297, 64059), (393, 48411), (489, 38907), (891, 21353), (1179, 16137), (1441, 13203), (1467, 12969), (1793, 10611), (3537, 5379), (4323, 4401)]