18299725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 24060960

約数和(自身を除く): 5761235

約数列:

[1, 5, 25, 29, 43, 145, 215, 587, 725, 1075, 1247, 2935, 6235, 14675, 17023, 25241, 31175, 85115, 126205, 425575, 631025, 731989, 3659945, 18299725]

約数ペア:

[(1, 18299725), (5, 3659945), (25, 731989), (29, 631025), (43, 425575), (145, 126205), (215, 85115), (587, 31175), (725, 25241), (1075, 17023), (1247, 14675), (2935, 6235)]