19427615

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:986

約数の個数: 16

約数和(自身を含む): 24103200

約数和(自身を除く): 4675585

約数列:

[1, 5, 43, 109, 215, 545, 829, 4145, 4687, 23435, 35647, 90361, 178235, 451805, 3885523, 19427615]

約数ペア:

[(1, 19427615), (5, 3885523), (43, 451805), (109, 178235), (215, 90361), (545, 35647), (829, 23435), (4145, 4687)]