19643283

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^2$

素因数の和:157

約数の個数: 48

約数和(自身を含む): 33993600

約数和(自身を除く): 14350317

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 59, 99, 171, 177, 209, 297, 513, 531, 627, 649, 1121, 1593, 1881, 1947, 3363, 3481, 5643, 5841, 10089, 10443, 12331, 17523, 30267, 31329, 36993, 38291, 66139, 93987, 110979, 114873, 198417, 332937, 344619, 595251, 727529, 1033857, 1785753, 2182587, 6547761, 19643283]

約数ペア:

[(1, 19643283), (3, 6547761), (9, 2182587), (11, 1785753), (19, 1033857), (27, 727529), (33, 595251), (57, 344619), (59, 332937), (99, 198417), (171, 114873), (177, 110979), (209, 93987), (297, 66139), (513, 38291), (531, 36993), (627, 31329), (649, 30267), (1121, 17523), (1593, 12331), (1881, 10443), (1947, 10089), (3363, 5841), (3481, 5643)]