18730790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{967}}^1$

素因数の和:1136

約数の個数: 32

約数和(自身を含む): 36590400

約数和(自身を除く): 17859610

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 967, 1490, 1934, 1937, 3874, 4835, 9670, 9685, 12571, 19370, 25142, 62855, 125710, 144083, 288166, 720415, 1440830, 1873079, 3746158, 9365395, 18730790]

約数ペア:

[(1, 18730790), (2, 9365395), (5, 3746158), (10, 1873079), (13, 1440830), (26, 720415), (65, 288166), (130, 144083), (149, 125710), (298, 62855), (745, 25142), (967, 19370), (1490, 12571), (1934, 9685), (1937, 9670), (3874, 4835)]