18447280

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{787}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 43090992

約数和(自身を除く): 24643712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 787, 1172, 1465, 1574, 2344, 2930, 3148, 3935, 4688, 5860, 6296, 7870, 11720, 12592, 15740, 23440, 31480, 62960, 230591, 461182, 922364, 1152955, 1844728, 2305910, 3689456, 4611820, 9223640, 18447280]

約数ペア:

[(1, 18447280), (2, 9223640), (4, 4611820), (5, 3689456), (8, 2305910), (10, 1844728), (16, 1152955), (20, 922364), (40, 461182), (80, 230591), (293, 62960), (586, 31480), (787, 23440), (1172, 15740), (1465, 12592), (1574, 11720), (2344, 7870), (2930, 6296), (3148, 5860), (3935, 4688)]