18398220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1283}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 51770880

約数和(自身を除く): 33372660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 239, 478, 717, 956, 1195, 1283, 1434, 2390, 2566, 2868, 3585, 3849, 4780, 5132, 6415, 7170, 7698, 12830, 14340, 15396, 19245, 25660, 38490, 76980, 306637, 613274, 919911, 1226548, 1533185, 1839822, 3066370, 3679644, 4599555, 6132740, 9199110, 18398220]

約数ペア:

[(1, 18398220), (2, 9199110), (3, 6132740), (4, 4599555), (5, 3679644), (6, 3066370), (10, 1839822), (12, 1533185), (15, 1226548), (20, 919911), (30, 613274), (60, 306637), (239, 76980), (478, 38490), (717, 25660), (956, 19245), (1195, 15396), (1283, 14340), (1434, 12830), (2390, 7698), (2566, 7170), (2868, 6415), (3585, 5132), (3849, 4780)]