19471475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 25206720

約数和(自身を除く): 5735245

約数列:

[1, 5, 25, 43, 59, 215, 295, 307, 1075, 1475, 1535, 2537, 7675, 12685, 13201, 18113, 63425, 66005, 90565, 330025, 452825, 778859, 3894295, 19471475]

約数ペア:

[(1, 19471475), (5, 3894295), (25, 778859), (43, 452825), (59, 330025), (215, 90565), (295, 66005), (307, 63425), (1075, 18113), (1475, 13201), (1535, 12685), (2537, 7675)]