18707458

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{367}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 35186688

約数和(自身を除く): 16479230

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 331, 367, 662, 734, 2317, 2569, 3641, 4037, 4634, 5138, 7282, 8074, 25487, 28259, 50974, 56518, 121477, 242954, 850339, 1336247, 1700678, 2672494, 9353729, 18707458]

約数ペア:

[(1, 18707458), (2, 9353729), (7, 2672494), (11, 1700678), (14, 1336247), (22, 850339), (77, 242954), (154, 121477), (331, 56518), (367, 50974), (662, 28259), (734, 25487), (2317, 8074), (2569, 7282), (3641, 5138), (4037, 4634)]