18665030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 35618400

約数和(自身を除く): 16953370

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 193, 386, 509, 965, 1018, 1930, 2545, 3667, 5090, 7334, 9671, 18335, 19342, 36670, 48355, 96710, 98237, 196474, 491185, 982370, 1866503, 3733006, 9332515, 18665030]

約数ペア:

[(1, 18665030), (2, 9332515), (5, 3733006), (10, 1866503), (19, 982370), (38, 491185), (95, 196474), (190, 98237), (193, 96710), (386, 48355), (509, 36670), (965, 19342), (1018, 18335), (1930, 9671), (2545, 7334), (3667, 5090)]