18290012439

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1\times {\mathrm{919}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 24927436800

約数和(自身を除く): 6637424361

約数列:

[1, 3, 71, 213, 223, 419, 669, 919, 1257, 2757, 15833, 29749, 47499, 65249, 89247, 93437, 195747, 204937, 280311, 385061, 614811, 1155183, 6634027, 14550527, 19902081, 27339331, 43651581, 82017993, 85868603, 257605809, 6096670813, 18290012439]

約数ペア:

[(1, 18290012439), (3, 6096670813), (71, 257605809), (213, 85868603), (223, 82017993), (419, 43651581), (669, 27339331), (919, 19902081), (1257, 14550527), (2757, 6634027), (15833, 1155183), (29749, 614811), (47499, 385061), (65249, 280311), (89247, 204937), (93437, 195747)]