19828449

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 30387840

約数和(自身を除く): 10559391

約数列:

[1, 3, 9, 27, 67, 97, 113, 201, 291, 339, 603, 873, 1017, 1809, 2619, 3051, 6499, 7571, 10961, 19497, 22713, 32883, 58491, 68139, 98649, 175473, 204417, 295947, 734387, 2203161, 6609483, 19828449]

約数ペア:

[(1, 19828449), (3, 6609483), (9, 2203161), (27, 734387), (67, 295947), (97, 204417), (113, 175473), (201, 98649), (291, 68139), (339, 58491), (603, 32883), (873, 22713), (1017, 19497), (1809, 10961), (2619, 7571), (3051, 6499)]