18178340

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3803}}^1$

素因数の和:4051

約数の個数: 24

約数和(自身を含む): 38344320

約数和(自身を除く): 20165980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 3803, 4780, 7606, 15212, 19015, 38030, 76060, 908917, 1817834, 3635668, 4544585, 9089170, 18178340]

約数ペア:

[(1, 18178340), (2, 9089170), (4, 4544585), (5, 3635668), (10, 1817834), (20, 908917), (239, 76060), (478, 38030), (956, 19015), (1195, 15212), (2390, 7606), (3803, 4780)]