17881418

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1423}}^1$

素因数の和:1589

約数の個数: 16

約数和(自身を含む): 27545856

約数和(自身を除く): 9664438

約数列:

[1, 2, 61, 103, 122, 206, 1423, 2846, 6283, 12566, 86803, 146569, 173606, 293138, 8940709, 17881418]

約数ペア:

[(1, 17881418), (2, 8940709), (61, 293138), (103, 173606), (122, 146569), (206, 86803), (1423, 12566), (2846, 6283)]