19977183774

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{571201}}^1$

素因数の和:571305

約数の個数: 48

約数和(自身を含む): 45444831120

約数和(自身を除く): 25467647346

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 67, 87, 134, 174, 201, 261, 402, 522, 603, 1206, 1943, 3886, 5829, 11658, 17487, 34974, 571201, 1142402, 1713603, 3427206, 5140809, 10281618, 16564829, 33129658, 38270467, 49694487, 76540934, 99388974, 114811401, 149083461, 229622802, 298166922, 344434203, 688868406, 1109843543, 2219687086, 3329530629, 6659061258, 9988591887, 19977183774]

約数ペア:

[(1, 19977183774), (2, 9988591887), (3, 6659061258), (6, 3329530629), (9, 2219687086), (18, 1109843543), (29, 688868406), (58, 344434203), (67, 298166922), (87, 229622802), (134, 149083461), (174, 114811401), (201, 99388974), (261, 76540934), (402, 49694487), (522, 38270467), (603, 33129658), (1206, 16564829), (1943, 10281618), (3886, 5140809), (5829, 3427206), (11658, 1713603), (17487, 1142402), (34974, 571201)]