18640088

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{9749}}^1$

素因数の和:9994

約数の個数: 16

約数和(自身を含む): 35100000

約数和(自身を除く): 16459912

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 9749, 19498, 38996, 77992, 2330011, 4660022, 9320044, 18640088]

約数ペア:

[(1, 18640088), (2, 9320044), (4, 4660022), (8, 2330011), (239, 77992), (478, 38996), (956, 19498), (1912, 9749)]