19990735206

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{635959}}^1$

素因数の和:636021

約数の個数: 48

約数和(自身を含む): 44690181120

約数和(自身を除く): 24699445914

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 806, 1014, 1209, 2418, 5239, 10478, 15717, 31434, 635959, 1271918, 1907877, 3815754, 8267467, 16534934, 19714729, 24802401, 39429458, 49604802, 59144187, 107477071, 118288374, 214954142, 256291477, 322431213, 512582954, 644862426, 768874431, 1537748862, 3331789201, 6663578402, 9995367603, 19990735206]

約数ペア:

[(1, 19990735206), (2, 9995367603), (3, 6663578402), (6, 3331789201), (13, 1537748862), (26, 768874431), (31, 644862426), (39, 512582954), (62, 322431213), (78, 256291477), (93, 214954142), (169, 118288374), (186, 107477071), (338, 59144187), (403, 49604802), (507, 39429458), (806, 24802401), (1014, 19714729), (1209, 16534934), (2418, 8267467), (5239, 3815754), (10478, 1907877), (15717, 1271918), (31434, 635959)]