18820246

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2477}}^1$

素因数の和:2639

約数の個数: 16

約数和(自身を含む): 29438640

約数和(自身を除く): 10618394

約数列:

[1, 2, 29, 58, 131, 262, 2477, 3799, 4954, 7598, 71833, 143666, 324487, 648974, 9410123, 18820246]

約数ペア:

[(1, 18820246), (2, 9410123), (29, 648974), (58, 324487), (131, 143666), (262, 71833), (2477, 7598), (3799, 4954)]