19315813777

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 22308851712

約数和(自身を除く): 2993037935

約数列:

[1, 13, 31, 37, 157, 223, 403, 481, 1147, 1369, 2041, 2899, 4867, 5809, 6913, 8251, 14911, 17797, 35011, 42439, 63271, 75517, 89869, 107263, 180079, 214933, 255781, 305287, 455143, 551707, 1085341, 1295407, 2341027, 2794129, 3325153, 3968731, 6662923, 9463897, 14109433, 16840291, 40157617, 47930059, 86617999, 123030661, 522049021, 623090767, 1485831829, 19315813777]

約数ペア:

[(1, 19315813777), (13, 1485831829), (31, 623090767), (37, 522049021), (157, 123030661), (223, 86617999), (403, 47930059), (481, 40157617), (1147, 16840291), (1369, 14109433), (2041, 9463897), (2899, 6662923), (4867, 3968731), (5809, 3325153), (6913, 2794129), (8251, 2341027), (14911, 1295407), (17797, 1085341), (35011, 551707), (42439, 455143), (63271, 305287), (75517, 255781), (89869, 214933), (107263, 180079)]