18987430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{24659}}^1$

素因数の和:24684

約数の個数: 32

約数和(自身を含む): 42612480

約数和(自身を除く): 23625050

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 24659, 49318, 123295, 172613, 246590, 271249, 345226, 542498, 863065, 1356245, 1726130, 1898743, 2712490, 3797486, 9493715, 18987430]

約数ペア:

[(1, 18987430), (2, 9493715), (5, 3797486), (7, 2712490), (10, 1898743), (11, 1726130), (14, 1356245), (22, 863065), (35, 542498), (55, 345226), (70, 271249), (77, 246590), (110, 172613), (154, 123295), (385, 49318), (770, 24659)]