19738164125

素因数分解:

$5^3\times {\mathrm{89}}^1\times {\mathrm{1774217}}^1$

素因数の和:1774321

約数の個数: 16

約数和(自身を含む): 24910020720

約数和(自身を除く): 5171856595

約数列:

[1, 5, 25, 89, 125, 445, 2225, 11125, 1774217, 8871085, 44355425, 157905313, 221777125, 789526565, 3947632825, 19738164125]

約数ペア:

[(1, 19738164125), (5, 3947632825), (25, 789526565), (89, 221777125), (125, 157905313), (445, 44355425), (2225, 8871085), (11125, 1774217)]