19105713

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:587

約数の個数: 40

約数和(自身を含む): 31955616

約数和(自身を除く): 12849903

約数列:

[1, 3, 9, 11, 27, 33, 41, 81, 99, 123, 297, 369, 451, 523, 891, 1107, 1353, 1569, 3321, 4059, 4707, 5753, 12177, 14121, 17259, 21443, 36531, 42363, 51777, 64329, 155331, 192987, 235873, 465993, 578961, 707619, 1736883, 2122857, 6368571, 19105713]

約数ペア:

[(1, 19105713), (3, 6368571), (9, 2122857), (11, 1736883), (27, 707619), (33, 578961), (41, 465993), (81, 235873), (99, 192987), (123, 155331), (297, 64329), (369, 51777), (451, 42363), (523, 36531), (891, 21443), (1107, 17259), (1353, 14121), (1569, 12177), (3321, 5753), (4059, 4707)]