18917710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2063}}^1$

素因数の和:2208

約数の個数: 32

約数和(自身を含む): 39232512

約数和(自身を除く): 20314802

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 2063, 4126, 4585, 9170, 10315, 14441, 20630, 28882, 72205, 144410, 270253, 540506, 1351265, 1891771, 2702530, 3783542, 9458855, 18917710]

約数ペア:

[(1, 18917710), (2, 9458855), (5, 3783542), (7, 2702530), (10, 1891771), (14, 1351265), (35, 540506), (70, 270253), (131, 144410), (262, 72205), (655, 28882), (917, 20630), (1310, 14441), (1834, 10315), (2063, 9170), (4126, 4585)]