17608820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 21703180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 311, 380, 596, 622, 745, 1244, 1490, 1555, 2831, 2980, 3110, 5662, 5909, 6220, 11324, 11818, 14155, 23636, 28310, 29545, 46339, 56620, 59090, 92678, 118180, 185356, 231695, 463390, 880441, 926780, 1760882, 3521764, 4402205, 8804410, 17608820]

約数ペア:

[(1, 17608820), (2, 8804410), (4, 4402205), (5, 3521764), (10, 1760882), (19, 926780), (20, 880441), (38, 463390), (76, 231695), (95, 185356), (149, 118180), (190, 92678), (298, 59090), (311, 56620), (380, 46339), (596, 29545), (622, 28310), (745, 23636), (1244, 14155), (1490, 11818), (1555, 11324), (2831, 6220), (2980, 5909), (3110, 5662)]