18286272011

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{33641}}^1$

素因数の和:33795

約数の個数: 32

約数和(自身を含む): 22693547520

約数和(自身を除く): 4407275509

約数列:

[1, 7, 19, 61, 67, 133, 427, 469, 1159, 1273, 4087, 8113, 8911, 28609, 33641, 77653, 235487, 543571, 639179, 2052101, 2253947, 4474253, 14364707, 15777629, 38989919, 42824993, 137490767, 272929433, 299774951, 962435369, 2612324573, 18286272011]

約数ペア:

[(1, 18286272011), (7, 2612324573), (19, 962435369), (61, 299774951), (67, 272929433), (133, 137490767), (427, 42824993), (469, 38989919), (1159, 15777629), (1273, 14364707), (4087, 4474253), (8113, 2253947), (8911, 2052101), (28609, 639179), (33641, 543571), (77653, 235487)]