19481365

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 25347168

約数和(自身を除く): 5865803

約数列:

[1, 5, 19, 43, 95, 215, 251, 361, 817, 1255, 1805, 4085, 4769, 10793, 15523, 23845, 53965, 77615, 90611, 205067, 453055, 1025335, 3896273, 19481365]

約数ペア:

[(1, 19481365), (5, 3896273), (19, 1025335), (43, 453055), (95, 205067), (215, 90611), (251, 77615), (361, 53965), (817, 23845), (1255, 15523), (1805, 10793), (4085, 4769)]