16459540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19139}}^1$

素因数の和:19191

約数の個数: 24

約数和(自身を含む): 35370720

約数和(自身を除く): 18911180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 19139, 38278, 76556, 95695, 191390, 382780, 822977, 1645954, 3291908, 4114885, 8229770, 16459540]

約数ペア:

[(1, 16459540), (2, 8229770), (4, 4114885), (5, 3291908), (10, 1645954), (20, 822977), (43, 382780), (86, 191390), (172, 95695), (215, 76556), (430, 38278), (860, 19139)]