18448075

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{131}}^2$

素因数の和:315

約数の個数: 18

約数和(自身を含む): 23587652

約数和(自身を除く): 5139577

約数列:

[1, 5, 25, 43, 131, 215, 655, 1075, 3275, 5633, 17161, 28165, 85805, 140825, 429025, 737923, 3689615, 18448075]

約数ペア:

[(1, 18448075), (5, 3689615), (25, 737923), (43, 429025), (131, 140825), (215, 85805), (655, 28165), (1075, 17161), (3275, 5633)]