19901170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{104743}}^1$

素因数の和:104769

約数の個数: 16

約数和(自身を含む): 37707840

約数和(自身を除く): 17806670

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 104743, 209486, 523715, 1047430, 1990117, 3980234, 9950585, 19901170]

約数ペア:

[(1, 19901170), (2, 9950585), (5, 3980234), (10, 1990117), (19, 1047430), (38, 523715), (95, 209486), (190, 104743)]